This post is part of the 17 Tips Series on How to Make Windows Run Faster.

Disk Cleanup is utility of Windows XP to free up disk space on your hard drive. Disk Cleanup first analyzes and searches your hard drive for files that are no longer of any use. It then gives your various options to clean up your disk by removing these identified files.
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There are a number of different file categories that Disk Cleanup targets when performing the initial disk analysis:

• Compression of old files
• Temporary Internet files
• Temporary Windows files
• Downloaded Program files
• Recycle Bin
• Removal of unused applications or optional Windows components
• Setup Log files
• Offline files

How does it helps in Making Windows XP Run Faster

To make the most efficient use of the available resources, Windows XP swaps files from your RAM to the hard disk. If the free available space on your hard disc remains low, then this process gets affected, and slows down your system. It is better to clean up your disk regularly to make XP run faster.

Step to Run Disk Cleanup

• Click on Start > Run.
• Type cleanmgr > OK.
• Select your drive letter > OK.
• Press OK to delete files that you no longer require.
• You can also select various options to select which files you want to remove

This process will most likely speed up your Windows XP, specially if your running low on free Hard Disk space.

See also the other 16 tips to How to Make Windows Run Faster.