Yes, you can run a 32-bit operating system on a 64-bit processor.
Yes, you can run a 32-bit operating system on a 64-bit processor.
Your system has a 1GB DDR3 RAM, but the 64-bit Windows version needs at least 2GB. The 32-bit OS only needs 1GB, so it should work fine.
Yes, though it's not advised. If you don't need Windows-specific tools, consider a minimal Linux setup like Lubuntu. However, if you must use Windows, stick to the 32-bit version only—though it's not suggested.
I’d recommend trying a minimal Linux distribution for the optimal feel