How to Clean Registry in Windows 10

In today's tutorial, we will teach you how to clean registry in Windows 10.
Press Win+R [Windows+R] to open the 'Run' window. Type in 'regedit'. Click 'Ok'. We will clean the Skype leftover in the registry.
Click on 'Edit' and choose 'Find'. Type in the app name 'Skype' and press Enter. Now we need to delete unnecessary files. Right-click on the highlighted file and choose 'Delete'. Click 'Yes'.
Press F3 on your keyboard. It will look for more leftover files. Again, right-click on the highlighted file and choose 'Delete'. Click 'Yes'. We need to find all of the leftover files and delete them. When there are no more files, you will get a window saying 'Finished searching through the registry'. Click 'Ok'.
Another way to clean registry is to use "CCleaner". Open the app. Choose 'Registry' from the left side menu. Click on 'Scan for Issues'. Now just wait until the app is done the scanning. Click on 'Fixed selected Issues'. Click 'yes' in the pop-up window to save the backup changes to the registry. Click 'Save'. Click 'Fix All selected issues'. Click on 'Close' when it is over.