Exit the WeChat application and ensure that it is completely closed.
Open the control panel and select programs and functions (which may be called programs and functions in previous versions of Windows).
Find WeChat in the program list and select "Uninstall".
Follow the instructions of the uninstallation wizard and ensure that all files and folders of WeChat are deleted during the uninstallation process.
Restart the computer.
Use the Windows search function to find and delete any remaining WeChat files or folders. You can try to find these files by typing related keywords such as "WeChat" or "Tencent" in the search box.
Clean up the junk files and registry of your computer, and ensure that all the residual files of WeChat have been cleared. You can use Windows' built-in tools, such as Disk Cleaner and Registry Editor, or use third-party tools for cleaning.
Please note that before performing this operation, please back up any WeChat chat records or files you need to save.