XP system how to save memory Speed ​​up

If you open the zip file with winzip or winrar software, the following optimization is a very good optimization, Windows XP built-in ZIP file, we can view the zip file as a folder. However, the system uses some resources to implement this feature, so disabling this feature can improve system performance. The implementation is very simple, just cancel the registration of zipfldr.dll.
For friends who are still using the old machine with CPU366MHz, you can save memory and speed up the boot:
Start → Run: regsvr32 /u zipfldr.dll
1, disable the compressed folder function < Br> 2, reduce the boot disk scan waiting time, you will see the effect immediately after the restart.
Start → Run: chkntfs /t:0
3, delete the system backup file, after the installation of various software and hardware, in fact, XP needs to update the file when there are very few.
Start → Run: sfc.exe /purgecache
Then press Enter to save hundreds of megabytes.
If you are worried, don't do it. This will save space, not speed up.