Computer step by step
 Make your Pc better
How to Downgrade from Windows 7
to Windows Xp   
(using windows.old)
Back Windows 7
   If you previously Upgraded from Windows Xp to Windows 7 and you have Windows.old
folder, you can use it to downgrade back to Windows Xp  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 7 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 xp installation from Windows.old to Windows and restore the
              boot sector. Restart your computer and you can use Windows Xp.
Step 3 - After Step 2 the following folders will remain on your computer:
             - Windows.7
             - Program Files.7
             - Users.7
             - Windows.old  
             These files can be deleted, please review them (Users.7 and Program Files.7) 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.
Press any key to boot
Select your settings and press Next.  
Choose Repair your computer.  
Press Next to continue.
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   Step 2

   From System Recovery Options window choose Command Prompt option
First you need to rename your current Win7 installation files in .7
Use the following commands (after each command press Enter):

C:        (assuming that your system partition is c:)
ren Windows Windows.7
ren "Program Files” “Program Files.7”
ren "Users” “Users.7”

Note: Windows 7 have “Documents and Settings”, but if you want to rename it:
ren "Documents and Settings” “Documents and Settings.7”

You will receive:

The system connot find the file specific.

And if you want to move Documents and Settings from windows.old to your system partition:
move /y “c:\windows.old\documents and settings” c:\

You will receive:

Access is denied

This problems appears because “Documents and Settings”  is a Junction linked to c:\Users, because is
hidden, you can see it using dir /a:h
First delete “Documents and Settings” junction,
then you can move your Windows Xp installation from Windows.old to system partition
Use the following commands (after each command press Enter):

rmdir "Documents and Settings”
move /y “c:\windows.old\documents and settings” c:\
move /y “c:\windows.old\program files” c:\
move /y c:\windows.old\windows c:\

Close Command Prompt window
Now you can restore the boot sector, open again Command Prompt window and write:

e:/boot/bootsect /nt52 c:

(e: is your cd/dvd-rom and c: your system partition drive letter)
Press Enter, close Command Prompt window and restart your computer
The last step is to restore the Boot.ini file for the previous Windows installation of Windows XP, open again
Command Prompt window and write (after each command press Enter):

c:
attrib boot.ini.saved -s -h -r
ren"boot.ini.saved" "boot.ini"
attrib boot.ini +s +h +r

Press Enter, close Command Prompt window and restart your computer
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   Step 3

   Go to Start and chose Computer
Choose your system partition
After this procedure the following files will remain:

Windows.old
Windows.7
Program Files.7
Users.7

Review them and backup all you personal data (Program Files.7 Users.7)
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   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 “e:\windows.old”
y
rmdir /s “e:\windows.7”
y
rmdir /s “e:\Users.7”
y
rmdir /s “e:\Program Files.7”
y

Close Command Prompt window and restart your computer
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