Installed 32-bit Windows instead of 64-bit on my MacBook Air Installed 32-bit Windows instead of 64-bit on my MacBook Air 2011. The Boot camp drivers are for 64-bit Windows 8 so they can't be installed. It doesn't see any USB drive including my external DVD drive.

Are there are any work arounds other than reinstalling 64-bit windows?
You will need to reinstall....