How to clean up unnecessary registry entries in Win10?

To clean up unnecessary registry entries, you can follow these steps:

1. Open the registry editor. You can do this by pressing the Win+R keys together, then typing “regedit” and pressing Enter.
2. In the Registry Editor, click on the arrow on the left to expand either “HKEY_CURRENT_USER” or “HKEY_LOCAL_MACHINE”, then expand the “Software”, “Microsoft”, and “Windows” folders one by one.
3. Go to the folder titled “Windows” and locate the folders or items related to unnecessary programs. Right-click and select “Delete” to remove them.
4. Repeat step 3, deleting unnecessary registry entries from other folders under “HKEY_CURRENT_USER” and “HKEY_LOCAL_MACHINE”.
5. Please remember to backup the registry before deleting any registry items to prevent unexpected issues.

Caution: Cleaning the registry may have unexpected consequences on the system. It is recommended to proceed with caution and create a system restore point or backup the registry before cleaning it, so that it can be restored if needed. If unsure about whether a particular registry item can be deleted, search for information or seek advice from professionals.