You may find your answer here:
http://windows.microsoft.com/en-us/windows7/32-bit-and-64-bit-windows-frequently-asked-questions
With Mac you simply hold down the 6 - 4 keys simultaneously when restarting.
Hope this helps.
Mark
http://windows.microsoft.com/en-us/windows7/32-bit-and-64-bit-windows-frequently-asked-questions
With Mac you simply hold down the 6 - 4 keys simultaneously when restarting.
Hope this helps.
Mark