1. Open My Computer-Tools-Folder Options-View-Check Show All Files and Folders to display hidden files. If the system has been upgraded, please delete the following files:? X: Hidden files starting with $u ... under \ Windows \ 2. If you use the system restore function for a long time, it will take up a lot of hard disk space. Therefore, manual setting is needed to reduce the hard disk occupation. Open the System Properties dialog box, select the System Restore option, and select the Turn off System Restore on all drives check box to turn off System Restore. You can also set to restore only the disk or partition where the system is located. Select the partition where the system is located, click the "Configure" button, and cancel the "Turn off system restore of this drive" option in the pop-up dialog box to set the disk space for system restore. 3. Use Tencent Computer Manager to clean up computer cache garbage, use system disk slimming function to clean up computer cache garbage, and use system disk cleaning function to improve computer running speed. Such as online cache files, online game patches, pictures generated during chatting, etc. The computer speed has obviously improved a lot.