Boot through windows xp cd
    After all the files are completely loaded,you get the option to select the partition. Select "c:"
    Now format the partition,whether it is normal or quick with NTFS or FAT
    Once the formatting is completed, All the setup files required for installation are copied. Restart your system by pressing Enter.
    Now here begins the simple trick to save 15 minutes.
    After rebooting , you get a screen where it takes 40 minutes to complete or finalize OS installation
    now press Shift + F10 Key. This opens command Prompt.
    Enter "taskmgr" at the command prompt window. This will open task manager
    Click the process Tab, here we find a process called Setup.exe . Right click on Setup.exe-> Set priority - > Select High or Above normal. Initially it will be Normal

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