Best Wise Registry Cleaner on Windows 10 [free]

If you want to find registry cleaner on Windows 10 for free, this article is useful for you. You will learn some ways to clean registry junk files and a reliable free registry cleaner.

Posted by @Tina July 9, 2025 Updated By @Tina July 9, 2025

What is the Windows Registry?

The registry is an important database in Microsoft Windows, it can help users store system and application information. But when you uninstall applications from the PC, program-related files won’t be removed from the registry.

If you do not delete the residual files in the registry for a long time, they will occupy the PC space and slow down it. Therefore, regularly cleaning the registry is beneficial to protect your computer.

Is it safe to clean up registry?

Is it safe to clean up registry? Because the registry stores system-related files, if you are not familiar with the Windows registry, the wrong operations may cause system failures. Therefore, you need to find out a reliable registry cleaner on Windows 10 for free.

How to clean up the registry files

In order to effectively and safely clean up your registry, we have summarized the following methods by searching various materials.

✦ Method 1. Clean up the registry with Registry Editor

You can use Registry Edit to clean up unnecessary files. However, please be careful, because you cannot delete system-related files during the operation.

Step 1. Type "registry edit" in the search bar and press "Enter".

Step 2. On the left side, find out "HKEY_LOCAL_MACHINE", click it. Then position the "SOFTWARE", all files in the SOFTWARE directory will be listed, you can delete them without worrying about the system crash.

Step 3. Right-click the target files and click "Delete".

Step 4. To completely remove the software registry files from the PC, don't forget to perform the same operation on "HKEY_CURRENT_USER" and "HKEY_USER".

✦ Method 2. Clean registry via CMD

You can also delete some registry junk files with reg command in CMD, the detailed steps are as follows.

Step 1. Press "Windows + R", type "cmd" and then press "Enter".

Step 2. Enter "reg delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer /v CleanShutdown /f", please change the file path and value to delete the target files on the registry.

✦ Method 3. Clear registry with a free registry cleaner on Windows 10

As you can see, cleaning the registry manually is somewhat difficult. Therefore, we prepare an easier and more practical registry cleaner on Windows 10 - AOMEI Partition Assistant for Cleanup.

In bright GUI, this best Windows 10 registry cleaner provides you with the following services:

It can thoroughly scan the registry and delete all the junk files on it, such as invalid entries, broken registry links, etc. 
It will find and delete all junk files from your PC, even system junk files.
It will test your PC partition and check the health of the hard drive.
It also has various disk management functions, including Wipe hard drive, Resize partitions, Shred files or folders, Rebuild MBR, etc.

Let's see how does this free registry cleaner works on Windows 10.

AOMEI Partition Assistant for Cleanup

The Best Windows Disk Partition Manager and PC Optimizer

Step 1. Install and launch AOMEI Partition Assistant for Cleanup. Click the "Clean Junk Files" tab.

Step 2. Click the "Scan Now" button to start the process of scanning junk files.

Step 3. After the scan process is finished. All system junk files (including recycle bin files, temporary files, log files, invalid shortcuts, and so on) and registry junk files (including DLL registry, system registry, and program registry) will be displayed.

Step 4. You can also click the button behind to view the junk files details.

Step 5. And, you can click the button behind to locate the file.

Step 6. By default, the program will select some junk files to clean up, for example, temporary files, log files, and so on. You can also manually check to select more or uncheck to deselect fewer listed junk files. Or, click "Select All" to select all junk files to clean up if you need to clean up all.

After selecting junk files that are not needed anymore, you can click the "Clean Now"button to start the cleanup.

Step 7. The process of the cleanup might take time, and the selected files will be cleaned up. After the process is finished, you will get a cleanup completed window displaying how many files you have cleaned and not yet cleaned.

Bonus: How can you totally clean up PC?

After successfully cleaning up all junk files, if you want to further clean up PC storage space. You can try to distinguish and clean up some unwanted large files on the computer, deeply clean your PC and speed it up. 

AOMEI Partition Assistant for Cleanup

The Best Windows Disk Partition Manager and PC Optimizer

Step 1. Install and launch AOMEI Partition Assistant for Cleanup. Click the "Delete Large Files" tab.

Step 2. You can either click "Scan System Drive" to start the scan of your system C: drive. Or, click "Custom Scan" to manually select paths to be scanned. (Here, we take the "Custom Scan" as an example.)

Step 3. After clicking "Custom Scan", all local and external drives on your PC and the common Desktop, Documents, and Downloads paths will be displayed. You can manually select paths to be scanned. Once necessary paths are added, you can click the "Scan Now" button to start the scan process.

Step 4. The scan process might take time. After the scan is complete, all large files found will be listed.

Step 5. You can also check the large files and click the button behind to locate them.

Step 6. Tick the files you want to delete, and then click the "Clean Now" button to start the deletion.

Step 7. The deletion might take time. After the process is finished, the selected files will be deleted, and you will get a cleaning completed window displaying how much data you deleted in total. 

Step 5. Just for a while, the large files will be deleted successfully, and then you will see a warm notification suggesting you clean up your PC regularly.

Summary

How to find registry cleaner on Windows 10 for free? In this post, we provided you with a powerful tool. If you want to enjoy more powerful features, you can choose AOMEI Partition Assistant for Cleanup. It can not only delete registry junk files and free up PC space, but also Allocate free space, Clone HDD to SSD, Migrate OS to SSD, etc.