May 17, 2012 - 
Windows 7 
8 Comments
Windows 7 8 Comments How can I tell if a Windows 7 disk is 32bit or 64bit?
Sometimes you have a USB boot of Windows 7 or you have a Windows 7 DVD, but how do you actually identify if its a 32bit install or 64bit!
After searching around, I have found these 3 ways of doing it:
- Check the total size of the folders. 32bit Windows 7 is around 2.3GB, whereas 64bit Windows 7 is closer to 3GB
- Look for a file called bootmgr.efi in the root of the drive / volume. If you find it then you know its a 64bit install media
- The autorun.inf for 32bit install contains:
The autorun.inf for 64bit install contains:
