To delete Temp files in Windows XP, you should: 1. Open 'Start' menu, select 'Search' -> 'For Files or folders' 2. Select 'All files and folders'. 3. In 'All or part of file name' field type *.tmp to search for any files ending with tmp. 4. Click Find Now 5. Delete all temporary files that are found To delete all Temporary files, you should visit all directories where Windows Temporary Files are stored and empty these Temporary Files directories manually.