I use it very well! It has been used by several computers without any problems. Just like he said, right? After the system is installed, the patch files are deleted, and there are wallpaper files to help you choose your own files. After installation, the patch is useless, but it can be used to repair when there is a problem with the installed patch, but 360 patch repair can also be used; There is also the time when you uninstall the patch with the control panel, but generally the installed patch does not need to be uninstalled.