Microsoft Windows has tried its best to evolve the operating system to deliver the best however it’s yet to be flawless. As we use the computer, we create a lot of files and folders, install a lot of new applications or uninstall the older ones, make a lot of changes in system settings and tweak Windows utilities to perform as per our expectations. These changes are logged in Windows Registry.
Windows Registry is a database of information that keeps a record of each and every setting, changes and configuration in the Windows operating system. All the versions of the Windows operating system store these settings, options, and values command the OS for what to do and how to do. Multiple changes in settings may corrupt the registry or overlap entries. Windows Registry Repair is a tricky process as you may be unaware of how to clean your registry in Windows. We need the best Registry Cleaners for Windows to ensure that Windows Registry function properly. We have compared, tested, and reviewed the best Registry Cleaners for Windows that you can use in 2021.
1. CCleaner
2. Iolo System Mechanic
3. Advanced System Optimizer
4. Iobit Advanced System Care
5. Auslogics Registry Cleaner
6. Wise Registry Cleaner
7. Restoro
CCleaner
OS Supported: Windows 10 and earlier versions, MacOS 10.6 or later
Size: 16 MB
Price: $19.95 onwards
CCleaner is one of the best multi-utility software to take care of system issues. You can optimize your computer, clean it up, fix driver related issues or use it for Windows Registry Repair. It offers one-click registry cleaning and fixes registry issues on almost all version of the Windows operating system.
Pros:
- Idle tool for beginners
- Fix different type of registry issues and settings
- Multi-utility tool for system cleaning and optimization
- Offers backup and restore options
Cons:
- Freeware available only for home users
- Installs other programs as add-ons
Iolo System Mechanic
OS Supported: Windows 10 and earlier versions
Size: 32.55 MB
Price: $63.96 onwards
Iolo System Mechanic is an advanced tool for Windows optimization. You can clean your hard drive to make room for upcoming files, fix registry issues, clear memory, defragment drives and do a lot more with one-click optimization. If your system is freezing up, crashing or showing errors, Iolo System Mechanic is an advanced option for all fixes.
Pros:
- Fix all types of system issues and enhance performance
- Clear browsing history, chat history, cache and other clutter
- Backup system registry before making any changes
- Improves CPU speed and graphics
Cons:
- Not compatible with MacOS
Advanced System Optimizer
OS Supported: Windows 10 and earlier versions
Size: 19.95 MB
Price: FREE
Advanced System Optimizer is one of the best system optimizers and cleaners for Windows 10 and earlier versions. Clean system cache, cookies, temporary internet files, optimize disk, perform disk defragmentation, provide security and encryption, and boost your computer’s overall performance. It takes a backup and can recover your system files and data for added security. It has various inbuilt utilities and Windows Registry Repair is one of them.
Pros:
- Backup and restore system files before cleanup
- One-click optimization and multiple added tools for Windows PC
- Memory optimizer and Game booster to enhanced performance
- Deletes your browsing history, cookies, and temporary files
- Securely delete unwanted files and encrypt your data
Cons:
IObit Advanced System Care
OS Supported: Windows 10 and earlier versions
Size: 48.6 MB
Price: $16.77 onwards
IObit Advanced System Care Pro is one of the best system optimizer utility to take overall good care of Windows operating systems. It is a multi-utility pack of tools for complete tune-up and optimization of Windows OS. You can always protect and safeguard your data, privacy and identity. It has always been on the list of the best Registry Cleaners for Windows. Speed up, backup, clear registry, cleanup, safeguard, save, protect your system with the best tools.
Pros:
- Quick Scan and Deep Scan process for complete cleanup
- Inbuilt duplicate scan utility to find and remove duplicate files
- Registry Cleaner feature scans and fixes all registry issues and invalid entries
- Disk doctor feature to scan and clear issues on the hard drive
- Available in 33 languages with auto-update feature
Cons:
- The free version comes with limited features
- Requires admin rights for all features
Auslogics Registry Cleaner
OS Supported: Windows 10 and earlier versions
Size: 16.4 MB
Price: $8.53 onwards
Auslogics Registry Cleaner is a standalone utility to fix registry issues on Windows platforms. It is one of the easiest and safest ways to resolve stability issues due to corrupt registry values and entries. You can also delete unnecessary software residual files and leftovers. It gives you full control to give exception to any registry entry. It’s an ultrafast quick scan and deep scan gives a complete solution to Windows Registry Repair.
Pros:
- Optimize computer and delete traces
- Compatible with Windows Vista and XP versions
- Shows severity as Low, Medium, or High as per importance
- Shows group-wise issues in a different category
Cons:
- Push advertisements for additional products
Wise Registry Cleaner
OS Supported: Windows 10 and earlier versions
Size: 3.83 MB
Price: $23.54 onwards
Wise Registry Cleaner is one of the popular products from the Wise family. Wise is popular for Data and Security, Performance optimization products, multimedia products, and other utility tools. Wise Registry Cleaner is one of the best Registry Cleaners for Windows 10 till XP versions. It performs multi-user cleaning to scan, optimize and clean user profiles. It has one-click scan and registry fix capabilities to fix errors and boost system performance.
Pros:
- Optimize system settings for enhanced performance
- Backup and Restore system files while cleaning registry
- Schedule automatic cleaning and optimization of registry errors
- Customize cleanup options and advanced settings
Cons:
- The standalone registry cleaner is comparatively expensive
Restoro
OS Supported: Windows 10 and earlier versions
Size: 911 KB
Price: $29.95 onwards
Restoro is a complete solution to system issues and a great fix for registry errors. It is a bundle pack of multiple utilities like virus and spyware removal, repair Windows stability issues, OS restoration, hardware analysis, upgrades and more. You can repair and rebuild Windows, restore or replace windows DLL files to make it crash-free.
Pros:
- Optimize registry and hardware repairs
- Works on DLL files to fix system issues and OS conflicts
- Clean up disk space by removing clutter and unwanted files
- Malware removal and virus removal tools for quick-fixes
- Safeguard PC from crashing or freezing up
Cons:
Summing Up
This compilation of the best Registry Cleaners for Windows is for those who are not aware of how to clean your registry in Windows. There is no manual method of cleaning Windows Registry hence we always require the best Registry Cleaners for Windows Registry repair. Drop us a comment with your favourite registry cleaners. Keep it clean, Run it as Good as New!