This video tutorial in Computers & Programming category will show you how to reduce memory usage in Windows XP to speed it up. The 1st method is to press Windows logo key and pause break together. The 2nd method is to go to start > control panel > system. Now the system properties box will come up. Here you click on 'advanced' tab. Now click the 'settings' tab under 'performance'. Click on 'visual effects', select 'adjust for best performance' and click 'apply'. Then under the 'custom' drop down menu, check the four boxes shown in the video and click 'apply' and click OK twice. Now reboot your computer and you will see that it has become faster.