C disk file cleaning method under Win7

Win7 C disk file cleanup method

follows:
First, we first turn off the sleep function Win7 system, up to the release of 3G multi-space Oh
"Run as administrator, all programs →Accessories→Command Prompt”, right-click and select “Run as administrator”. After entering the command prompt, manually enter “powercfg -h off” to disable the Win7 system sleep function.
Second, turn off system protection
Computer right-click properties--advanced management settings--system protection.
Third, transfer virtual memory
Computer Right Properties - Advanced Management Settings - Advanced - Performance - Settings - Advanced - Change.
Fourth, transfer "user's files"
Desktop Double-click on the Administrator folder, here is recommended to transfer 4 system folders "Desktop, Favorites, My Desktop, My Documents", Right-click the project property you want to transfer -- Location X: UsersAdministrator.
Fifth, delete files without deleting functions, simplify optimization system, not simple optimization performance
1.C: WindowsWebWall*** (Windows comes with wallpaper) recommended transfer
2.C: WindowsSystem32DriverStoreFileRepository
Search input ati*.inf (14.6M) nv*.inf (94.9M) (A card user delete N, N card user delete A)
Search input mdm*.inf (21.6M) is no longer used now Things to delete
Search input prn*.inf (781M) prn All of them are printer drivers, I believe most people can not use. There is a printer, and when you buy it, you will also have a driver and delete it.
Note: prnms001.inf/prnoc001.inf/prnms002.inf These three are not printer drivers, it is recommended to keep.
3.C:Boot (13.3M) This is a Windows startup interface for different languages. It can be deleted except zh-CN.
4.C:perflogsSystemDiagnostics (9.39M) This is the storage location of the test record file after the system test, delete.
5.C: WindowsDownloaded Installations There are some programs (Dreamweaver...) that will install the installation files into this folder. Can be safely deleted, ranging from tens of M to several hundred M.
6.C: WindowsHelp (66.7M) All 咔嚓.