How do I use windows 7 32 bit on my 64 bit computer?

[rdy2learn]

A device that I have will only work with 32 bit, how to I temporarily convert?

 

[Jaxem]

There is no "temporary conversion" 64 bit does 32 bit emulation and does it without you needing to do anything else, it should work find. if you need to use 16 bit software (not very common anymore). then you need 32 bit...and you'll have to do a fresh install to get it, you can't switch between them any other way.