The list and comparison of the top free Registry Cleaner for Windows Systems: Best Windows 10 Registry Cleaner tools to clean, repair and optimize your PC Registry.
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Several myths we have heard about, why a computer slows down? One common myth is that the hardware slows down itself, which affects the performance of your PC.
Selecting the above button will download System Mechanic. Trial version: 52.2 MB. System Requirements: Windows® 11, 10, 8.1, 8, 7. Minimum 512 MB RAM (optimal 2 GB) 100 MB of available hard disk space. Internet connection (required for license activation) Windows “Administrator” user account. Apr 15, 2020 System Mechanic Ultimate Defense Download & Compatibility. System Mechanic Ultimate Defense download link is available on the official iolo’s website. Once you purchase the software, the download link as well as license key will be provided for you. System Mechanic Ultimate Defense works on Microsoft Windows 10, 8.1, 8, and 7. Iolo System Mechanic Professional 184.108.40.206: Speed up, optimise, clean and secure your PC with this all-in-one system maintenance suite. System Mechanic Download. Wait for Download. Run the file 'SystemMechanicStdDM.exe'. Give permissions to install System Mechanic Download Manager.
However, that’s not true at all. This is because the hardware components of your computer are built to last long. They are very stable and in maximum cases, always exceed the expectations of the user in terms of their useful life.
Most people replace their computers every two, three, or four years. However, hardware components are designed to last much longer than that. So, you are unlikely to experience any problems with your PC’s hardware components and hard drive for at least a few years. Therefore, the only issue that can arise is with your computer software or operating system.
What You Will Learn:
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- Issues That Can Develop In The Operating System
- List of Best Registry Cleaner
Issues That Can Develop In The Operating System
When you install lots of programs, your operating system may start to develop issues. It can develop a variety of issues that can slow down your computer. When your operating system develops problems that affect the performance of your computer, your friends and other people will be quick to recommend that you reinstall your operating system.
Operating systems are re-installed in three steps: Uninstallation of the OS, cleaning everything out and re-installation of your programs.
This can be a time-consuming process, and it may not even fix your problem. You may still have a slow computer that performs poorly. A better option for improving the speed and performance of your computer is cleaning its registry.
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What Is A Registry?
The registry is where all of the little settings on your computer are saved. It is a database that contains all the information, options, settings, etc. for the software and hardware installed on your OS. There are thousands of entries inside your registry. With these many entries, there’s bound to be errors.
According to RegistryFix, registry errors cause the majority (or 90%) of computer problems. The more you use your computer over time, all the programs installed on your computer and all the information stored in your registry can bloat your memory and slow down your computer.
The good news is that there are several ways to clean your registry and speed up your computer. For Example, Windows has built-in utilities that can help you clean out your registry.
Windows Registry Editor:
There are also some software or registry cleaners that can provide you with advanced registry cleanup. We will be reviewing the top registry cleaners here to find the best cleaner available today.
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FAQs About Registry Cleaners
Q#1) What is a Registry Cleaner and how does it work?
Answer: A software program, registry cleaner scans the registry of your Windows to find information or programs that were previously useful but is no longer needed to be on the registry.
Once these entries are found, the software will show them to you on your computer screen and may rank them according to their importance. It will then ask you to allow it to remove some of these entries from the registry automatically.
Q#2) When is it recommended to run a Registry Cleaner?
Answer: It is recommended to run the cleaner when any of these problems arise: your computers perform slowly, it takes more time than usual to upload files, your computer starts to hang, and you start getting different error messages.
Q#3) When are the Risks involved in Running this cleaner tool?
Answer: A major risk is there in running poorly written cleaner software which can cause some serious problems in your operating system. It may even cause your computer to stop working altogether.
Q#4) What precautions should I take before running the cleaner?
Answer: The first precaution that you would want to take is back up the registry. There are some tools that will back up the registry themselves. So, make sure that the cleaner that you have chosen comes with this feature. Alternatively, you can simply perform the backup yourself.
Another precaution that you want to take before running a registry cleaner is installing a good anti-virus program on your computer. This is needed because not all cleaners are virus-free. However, you may opt-out of this precaution if you get a software that is verified as ‘virus-free.’
Q#5) What are the advantages of the cleaning Registry?
Answer: There are several advantages to running a cleaner tool on your computer.
Some of these advantages include:
- Fixing errors that arise after a program is uninstalled
- Improving slow boot times
- Fixing files related to the uninstalled programs
- Improving the overall response time of the computer
List of Best Registry Cleaner
Listed below are the best registry cleaner software for Windows:
- iolo System Mechanic
- Outbyte PC Repair
- Advanced SystemCare
- Auslogics Registry Cleaner
- Wise Registry Cleaner
- AML Cleaner
- Easy Cleaner
- Eusing Cleaner URL
- Glarysoft Registry Repair
Comparison Of Top 5 PC Registry Cleaner Software
|Tool Name||OS||File Size||Our Ratings||Licensing||Features|
|iolo System Mechanic||Windows® 10, 8, 8.1, 7 (XP/Vista up to v22.214.171.124)||32.55 MB||Premium licensing at $14.98.||Boost your computer’s speed, power, and stability with advanced PC tune-up. System Mechanic provides the essential optimization toolset to clean hard drive clutter, repair your registry, defragment drives and memory, and optimize system and internet settings.|
|Restoro||Windows||911 KB||Free trial & License price starts at $29.95||Optimize Windows Registry, Hardware Analysis, OS restoration, etc.|
|Outbyte PC Repair||Windows 10, 8, 7, and Mac.||16.2 MB||Free trial & License for $29.95.||Can resolve 100+ common PC issues, clears disk space, real-time boost, real-time privacy, etc.|
|Defencebyte||Windows||4.9 MB||1-year license: $38.95||Empty registry keys, erase invalid paths, delete useless file extensions, etc.|
|Advanced SystemCare||Windows 10, 8, 7, Vista, XP||45.1 MB||Freeware and $29.99 version||Ideal for non tech-savvy people, automatic backups, single click scan and repair.|
|CCleaner||Windows XP, Vista, 7, 8.1, 10, MacOS 10.6 to 10.11||16 MB||Freemium with Premium $29.95 and $59.95 versions||Built for many types of registry errors, ideal for beginners, optional backup, tools for PC maintenance|
|Auslogics Registry Cleaner||Windows XP, Vista, 7, 8.1, 10||12 MB||Freeware||Effective registry cleaner for windows, automatic backup, displays the registry errors’ colored severity rating, great at cleaning specific registries|
|Wise Registry Cleaner||Windows XP, Vista, Windows 7/8/10||3.10 MB||Freeware and $29.95 premium version||Automatic backup, three registry scan levels, easy to use, automatic and scheduled registry cleaning|
Review of the Best Windows Registry Cleaner:
#1) iolo System Mechanic
iolo System Mechanic is a tool for advanced PC tune-up. It is a set of tools to clean hard drive clutter, repair registry, defragment drives & memory, and for optimizing system and internet settings. It uses patented performance technology. It can fix the frustrating errors, crashes, and freezes.
iolo System Mechanic can give you up to 89% of a faster startup and 39% faster downloads. Similarly, you will get improved CPU speed and improved graphics.
- iolo System Mechanic can defrag, compact, optimize, and back up the system registry.
- It has enhanced Program Accelerator, Startup Optimizer, and Net Booster.
- There are two scan modes Quick Scan and Deep Scan.
- It provides enhanced active care and a real-time boost.
- It can clean up to 50 types of junk files.
- It will clear the internet and chat history, clutter, and cache.
- It supports only the Windows platform.
File size: 32.55 MB
Compatible Operating Systems: Windows® 10, 8, 8.1, 7 (XP/Vista up to v126.96.36.199).
Verdict: iolo System Mechanic is a tool that will boost your computer’s speed, power, and stability. It has a new modernized Interface with a simplified features menu and faster loading. It will restore the maximum speed, power, and stability.
Also read =>> iolo System Mechanic Review
- System Mechanic: $49.95.
- System Mechanic Pro: $69.95
- System Mechanic Ultimate Defense: $79.95
Restoro is a complete system solution for securely and safely repairing of PC. It can optimize Windows PC. It performs hardware analysis and scanning & assessment of PC. It will free up the disk space and restore the max performance of the PC.
- Restoro has features for optimizing registry and hardware repair.
- It can restore and replace DLL files.
- It provides the features of virus removal, repairing of virus damage, and virus protection.
- No such cons to mention.
File Size: 911 KB
Compatible Operating Systems: Windows XP, Vista, 7 (32/64 bit), 8 (32/64 bit), 8.1 (32/64 bit), and 10 (32/64 bit).
Verdict: Restoro is a tool to repair your Windows PC. It offers free support and free manual repair. It can protect from malware and restore peak performance. Damaged and missing Windows files will be replaced by Restoro. It will detect threatening apps in real-time.
- Free trial: Available to download
- One License with one-time repair: $29.95
- Unlimited Use & 1 Year support: $29.95
- 3 Licenses with unlimited use for 1 year: $39.95
#3) Outbyte PC Repair
Outbyte PC Repair tool has various features and functionalities to identify and resolve performance issues. This comprehensive PC repair tool can be a solution for different system issues such as cleaning up the drive, improving security, etc. It identifies the temporary and cached files and removes those files from the hard-drive.
Outbyte offers the facility of real-time privacy that will let you disable Windows telemetry features with automatic removal of browser history and cookies.
- Outbyte is capable of solving 100+ common PC issues.
- It provides a quick overview of the PC performance through the details like CPU load and speed, etc.
- It has features of Smart File Removal that deletes the file securely from Recycle Bin.
- Outbyte PC Repair solution contains a lightweight scanner to find vulnerabilities.
- Outbyte doesn’t offer any free plan.
File Size: 16.2 MB
Compatible Operating System: Windows 10, 8, and 7 and Mac.
Verdict: Outbyte is a comprehensive computer repair tool with some advanced features like real-time privacy and real-time boost. It will optimize the performance of your PC, at the same time improves security and privacy.
- Free trial for 7 days.
- Full Version for $29.95
Defencebyte offers the products like Anti-Ransomware, Privacy Shield, and Computer Optimizer, etc. Its computer optimizer is an outstanding registry cleaner with comprehensive technologies for examining computer glitches and registry malfunctions.
It can block unwanted URLs. Defencebyte will give you a faster & more stable PC, quicker startup, more free pace, and better privacy. It provides additional privacy by removing the browser’s temporary files.
- Defencebyte has functions to empty registry keys, erase uninstalled entries, and remove invalid paths or programs.
- It will let you schedule the scan to clean the system regularly.
- It can help you with deleting useless file extensions and erasing invalid paths.
- Non-existent shared dlls can be eradicated by this tool.
- It also works as a task or app manager as it has the ability to trace the CPU usage.
- It is compatible with Windows OS only.
- As per reviews, the application doesn’t ask for permission while deleting the data or files.
File Size: 4.9 MB
Compatible Operating System: Windows XP, Windows Vista, Windows 7, Windows 8/8.1, and Windows 10.
Verdict: Defencebyte PC optimization software helps with cleaning up the registry and deleting unwanted files & software. It improves the resource management of PC on the whole. It is easy to use.
- A free trial of 30 days, available to download.
- The price starts at $38.95 for a 1-year license for one system.
#5) Advanced SystemCare
Advanced SystemCare is a free-to-use registry cleaner with an attractive user interface and comes with a range of tools that not only clean your computer but also make it fast and secure. Like CCleaner, this cleaner is easy to use, which makes it ideal for beginners or non-tech-savvy people.
Enjoy the exclusive offer of a 50% discount from Advanced SystemCare.
- Ideal for non-tech-savvy people
- Automatic backups
- Single-click scans and repair
- Automatically installs unwanted programs
- Has an overwhelming number of features
File Size: 45.1 MB
Compatible Operating System (OS): Windows 10, 8, 7, Vista, XP
Verdict: If you’re looking for software with a host of tools that can clean your computer and increase its speed, then the Advanced SystemCare registry cleaner is a good choice. You can get a 50% discount from Advanced SystemCare using the link given below.
However, if you don’t want to install unwanted programs that the cleaner software automatically installs, then you can look for other options. Another reason for not installing this cleaner on your computer is the limited space on your hard disk.
- $29.99 version
CCleaner is an easy-to-use tool and the best choice for beginners or non-tech-savvy users. Free to download, this tool makes it easy to clean the registry of your operating system. It does this by allowing users to not only manage individual files but also skip and delete them.
- Built for many types of registry errors
- Ideal for beginners
- Optional backup
- Tools for PC maintenance
- Other programs are installed by the cleaner unless they are expressly denied permission
- Freeware available only to home users
- Confusing download page
File Size: 16 MB
Compatible Operating System (OS): Windows XP, Vista, 7, 8.1, 10,
Verdict: If you are looking for ease of use, then CCleaner is probably the best registry cleaner for you. It is also useful for fixing different types of registry errors. However, if you’re worried about your disk space, then you’re better off looking at the other tools available.
- Premium $29.95 and $59.95 versions
#7) Auslogics Registry Cleaner
Auslogics is another good software for cleaning your Windows registry. Considered by many as the best registry cleaning tool for Windows, Auslogics can help overcome system and stability issues with the computer. A key feature of this tool is the colored severity rating that highlights the registry area that requires the most attention.
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- Effective cleaner for Windows
- Automatic backup
- Displays the registry error’s colored severity rating
- Great at cleaning specific registries
- Install other programs during setup
- Optional/additional features cost a fee
File Size: 12 MB
Compatible Operating System (OS): Windows XP, Vista, 7, 8.1, 10
Verdict: If your operating system is Windows, then the Auslogics cleaner should be on top of your priority list. This is because it is known to resolve system and stability issues with the Windows OS efficiently. The only reason why you would want to avoid it is if you are bothered by unwanted programs getting installed automatically during setup.
#8) Wise Registry Cleaner
Widely considered as the best cleaner alongside CCleaner, the Wise Cleaner provides extremely fast registry cleaning, and automatic/scheduled scans. Additionally, it features various scan modes and is said to be one of the safest tools available today.
- Automatic backup
- Three registry scan levels
- Easy to use
- Automatic and scheduled registry cleaning
- Needs rebooting
- Attempts to install other programs during setup
File Size: 3.10 MB
Compatible Operating System (OS): Windows XP, Vista, Windows 7/8/10
Verdict: If you’re looking for software that can optimize your operating system for improved future performance, then the Wise Cleaner is a great option. You also don’t need to worry about disk space since the file size of this cleaner is only 3.10 MB.
However, you may want to avoid it if you don’t want unsolicited programs on your computer. Another reason to avoid it is if you don’t want to reboot the registry cleaner.
- $29.95 premium version
Website: Wise Registry Cleaner
#9) Jet Clean
Jet Clean is an extremely fast cleaner that can scan the entire registry within a few seconds. Another key feature of this tool is its well-designed user interface. It is a single-click interface that allows you to clean your system.
- Easy-to-access backup
- Great options for filtering
- Extremely fast and dedicated cleaner tool
- Too many cookies
- Attempts to install toolbar during setup
File Size: 3 MB
Compatible Operating System (OS): Windows XP, Vista, 7, 8.1, 10
Verdict: If you’re looking for a registry cleaner that can quickly clean the registry of your operating system, then Jet Clean is a good choice. You can easily access backup on the cleaner, and it has great options for filtering. Also, the file size of the cleaner is only 3 MB.
However, you may want to avoid this tool if you are bothered by the number of cookies that comes as a default feature with this cleaner.
Website: Jet Clean
JV16 PowerTools is a free-to-use, highly customizable registry cleaner that can perform extremely fast registry cleaning. Additionally, it does not attempt to install unwanted programs during setup as is done by most other cleaners, which is a real plus.
- A simple user interface
- Fast registry cleaning
- Automatic backup
- No attempt to automatically install toolbar or unwanted programs
- Not very user-friendly
- An overwhelming number of options that can cause issues
File Size: 8.54 MB
Compatible Operating System (OS): Windows 10, 8, 7, Vista, and XP
Verdict: A good option if you want a PC cleaner that can quickly perform registry cleaning on your computer. Other things that make it useful are automatic backup and avoiding toolbar or unwanted programs getting installed automatically. Not a good option if you are looking for user-friendly software that does not have an overwhelming number of features.
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#11) Easy Cleaner
One of the oldest registry cleaners available today, Easy Cleaner has a very old-looking user-interface. However, it gets the job done as effectively as any other cleaner out there. Another key feature of this tool is that it is available as a portable tool.
- Easy-to-use interface
- Automatic backups
- A range of setting options and tools
- Slower registry cleaning than other cleaners
- Lack of scheduling options
File Size: 2.82 MB
Compatible Operating System (OS): Windows XP, 2000, NT, ME, 98, and 95
Verdict: If you’re using older versions of Windows, then Easy Cleaner would be a good option for you. It has an easy-to-use interface and can automatically back up the registry. However, you would want to avoid it if you’re looking for fast registry cleaning and scheduling options.
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Website: Easy Cleaner
Some Additional Registry Cleaner Tools Worth Considering:
#12) AML Cleaner
A tool with a simple and easy-to-use interface, the AML cleaner can perform super-fast registry cleaning to fix any registry issues in Windows. Additionally, it comes with options for backup and system restore.
Website: AML Cleaner
WinUtilities is an all-in-one registry cleaner that allows you to clean and optimize your PC. It offers fast and efficient scans and comes with a ‘Rescue’ option for backing-up and restoring registries.
#14) Eusing Registry Cleaner
A tool with a user-friendly interface, the Eusing cleaner performs quick scans for obsolete or invalid information. Additionally, it backs up your registry automatically.
Website URL: Eusing Cleaner
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#15) Glarysoft Registry Repair
A cleaner that provides safe and efficient registry scans, the Glarysoft registry cleaner features an incredibly intelligent scan engine and backup/restore capabilities.
Website: Glarysoft Registry Repair
All the registry cleaners listed above have their fair share of pros and cons. Therefore, the best tool will depend on your specific needs.
For Example, if you are looking for ease of use, then CCleaner is probably the best registry cleaner for you. On the other hand, the Advanced SystemCare registry cleaner is a good choice if you are looking for a tool with an attractive user interface, which comes with a range of tools that not only clean your computer but also make it fast and secure.
Auslogics is a good choice if you want to overcome system and stability issues with the computer. The Wise Registry Cleaner is useful if you want extremely fast registry cleaning and automatic/scheduled scans. Jet Clean is a good option if you want to scan the entire registry within a few seconds and get access to a single-click interface that allows you to clean your system.
JV16 PowerTools is a good choice if you want a highly customizable cleaner that can perform extremely fast registry cleaning and does not attempt to install unwanted programs. Finally, Easy Cleaner is a good choice if you have an older version of Windows and want a tool that is available as a portable tool too.
Our Review Process
Our writers spent more than 10 hours researching the best tools with the highest ratings on customer review sites. To come up with the final list of the best registry cleaner, they considered and vetted 12 different software and read over 15 customer reviews. This research process makes our recommendations trustworthy.