How to save XP system memory Speed ​​up system boot speed

If you can save memory and speed up the boot speed for friends who are still using the old machine 366MHz CPU, then you will choose the following xp system operation?
1, disable the compressed folder function
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 think of the zip file Folder browsing. 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.
Start → Run: regsvr32 /u zipfldr.dll
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.
4, start → run: services.msc into XP comes with service modification list
in the list of each service's properties optional " close ", " manual ", " automatic " .
alerter - error alarm. (can be closed)