Upgrading to Windows 7, 32 or 64 Bit?

Answer-- 64 bit.

Why?

1. 64 bit Windows supports both 32 and 64 bit apps.
2. Can install more memory past 4 GB ram.
3. Up to 192 GB ram.
4. Better performance, such as multimedia apps and databases.
5. More secure.
6. Faster speed.