It’s been known that the performance of USB Flash Drive is far better than DVD disc, external USB drive, or gigabit network. For this reason, installing Windows Vista from a High Speed USB Flash Drive is the fastest method to complete the task. If you want to give it a try, follow the simple instructions below:
1. copy all of the Windows Vista installation files to formated USB flash drive (requirement: 4GB freespace ), here is the command (with assumption the installations file located in drive d and USB flash drive located in drive e:
xcopy d:\*.* /s/e/f e:\
2. That’s it, you are ready to go. Next step just continue the standard installation procedure: boot up the machine, have it boot off the USB drive.
3. And watch how fast the installation completes.