1. This is a system folder, so be careful when deleting it!

2. First, ensure that the hidden files of the operating system can be displayed normally.

Start → Run → Enter: Control Folder? Click OK to execute the command to open the folder option.

3. Folder Options → View → Clear the check mark in front of hidden protected operating system files, and then select hidden files and folders → Show all files and folders → OK.

4. Then, open drive C → user's root directory.

5. Find your account and double-click to open it.

6. Open the AppData folder (system files are hidden and may not be visible).

7. Open the AppData folder, which contains three folders: Local, LocalLow and Roaming.

8. Open three folders respectively. The Temp folder is a temporary folder, and files in it can be deleted.

9. Generally, it is a temporary file left by system upgrade, patching and software installation. After selecting all (Ctrl+A), just delete. If you can't delete it, you can delete it, restart the computer, and no longer associate with it.

10, and then look at each folder separately, you will find a lot of strange software (users have not actively downloaded it) will appear here!

1 1. Open the check, and some folders are empty, which is due to some software trying to insert or residual software that has been uninstalled.