1. First enter the folder option, remove the check mark before "Hide protected system files" and select "Show all files and folders".

2. Delete the system file backup sfc.exe/Purge cache.

3. Delete the patch backup named $ * * * * * $ in the folder in front of the windows folder, unless you want to uninstall the patch, it is useless.

4. Delete Driver.cab and sp2.cab in the driver backup windows\driver cache\i386 directory.

5. Delete the input method (Japanese, Korean, traditional Chinese input method, 84.5MB) not used under C:\windows\ime, which may need to be deleted in safe mode.

6. Delete all files under C: \ Windows \ service pack files \ i386. Cancel system restore

7. Delete all files under C: \ Windows \ Software Distribution \ Download.

8. Delete all files under C:\WINDOWS\Prefetch.

10. If you don't want help, delete all the files under C:\WINDOWS\Help, but I didn't delete them.

1 1. Cancel system restore.

12. Finally, scan the junk files with the system disk.

After installing the original windows xp pro, I upgraded SP2 to 3G online. After the above weight loss, I only lost1g. The maximum compressed backup of ghost2003 is only 456M, and the disk format I use is FAT32.