This is really important...

[Austinholland]

Is there anyway possible to go from a 32 bit to a 64 bit operating system?

 

[Austinholland]

You will have to erase the 32 bit OS if you want to go to a 64 bit OS.

How do i erase it

 

[mesab66]

Check out MS itself ......


http://windows.microsoft.com/en-GB/windows7/32-bit-and-64-bit-Windows-frequently-asked-questions