Yes, it runs beautifully, as will most games on 64bit Vista. Make sure you have at least 4GB of ram though, and an up to date video card.
There are different versions of Vista as well as 32-bit and 64-bit for each. To switch from 32-bit to 64-bit you would have to make sure that you have 64-bit compatible hardware and would have to purchase a 64-bit version of Vista.
It should say
Every Windows Distribution is writen in binary non Open Source files. By the way, there are different versions of Windows Vista: Windows Vista 64-bit and Windows Vista 32-bit. Windows Vista 64-bit or x64 can work with 64-bit AMD Processors.
The 64-bit version of Windows Vista is designed to take full advantage of 64-bit processors, and can address more than 4 GB of RAM. 32-bit applications can still be run on it; however you will need to make sure that there are 64-bit drivers for your hardware.
Only Windows 64-bit operating systems can run 64-bit applications
No.
Yes; you must use an upgrade disk, and it has to be the same "bit" that your current OS is (e.g. 32-bit upgrades to 32-bit, 64-bit upgrades to 64-bit).
The CREATIVE INSTANT WEB CAM is 64 BIT
VISTA Ultimate Edition
Windows Vista Ulitimate
Yes.
It should play just fine on Windows 7 64bit