If you previously Upgraded from Windows Vista Home to Vista Ultimate and you have Windows.old folder, you can use it to downgrade back to Windows Vista Home in four Steps: Step 1 - Determine if you have free space on you system partition (you will need approximately your windows.old size) then use Windows Vista installation disk, start a new installation and go to Repair your computer option (Learn how to boot from cd/dvd-rom) Step 2 - Use Command Prompt to move you vista installation from Windows.old to Windows and restore the boot sector. Restart your computer and you can use Windows Vista Home. Step 3 - After Step 2 the following folders will remain on your computer: - Windows.Vista - Program Files.Vista - Users.Vista - Windows.old These files can be deleted, please review them (Users.Vista and Program Files.Vista) and backup you personal data Step 4 - Go back to Repair your computer option and use Command Prompt to delete them. Step 1 Go to Start choose Computer
Verify that you have free space on your system partition and cheep in mind you cd/dvd-rom drive letter (in this case is E:)
Verify that in your system partition Windows.old folder exist then insert your Windows Vista installation disk in your cd/dvd-rom and restart your computer.
Choose Repair your computer.
Select your settings and press Next.
Press any key to boot
Press Next to continue.
Step 2 From System Recovery Options window choose Command Prompt option
First you need to rename your current Vista installation files in .Vista Use the following commands (after each command press Enter): C: (assuming that your system partition is c:) ren Windows Windows.Vista ren "Program Files” “Program Files.Vista” ren "Users” “Users.Vista”
Now you can move your Windows Vista Home installation from Windows.old to system partition Use the following commands (after each command press Enter): move /y c:\windows.old\windows c:\ move /y “c:\windows.old\program files” c:\ move /y c:\windows.old\users c:\ Close Command Prompt window
Now you can restore the boot sector, open again Command Prompt window and write: e:/boot/bootsect /nt60 c: (e: is your cd/dvd-rom and c: your system partition drive letter) Press Enter, close Command Prompt window and restart your computer
Step 4 After you backup you data you can delete this folders. Go back in System Recovery Options and choose Command Prompt option and use the following commands (after each command press Enter): rmdir /s “c:\windows.old” y rmdir /s “c:\windows.Vista” y rmdir /s “c:\Users.Vista” y rmdir /s “c:\Program Files.Vista” y Close Command Prompt window and restart your computer