The simplest method is to view the Task Manager (press Ctrl-Alt-Del) and view the CPU performance charts. A chart is provided for each processor core, so if the number of charts is equal to the number of cores in your processor, you will know that they have all been detected and activated.
Probably not well. While Vista is an older version of Windows, it is still made for a multicore processor. The best OS to run on that CPU and speed would likely be Windows 2000. Also, machines that are that slow likely don't have much memory.
yes
Either Windows XP or Vista can be installed on a Mac that uses an Intel processor - which is all of the recent ones.
Yes, it does I have it working on Windows Vista on my computer and it works fine.
It has a really simple version which is called Wordpad.
The Desktop.
There is no rollback way to do it. You would need to reinstall XP fresh over the Vista install. Why do you want to do that anyway, is Vista not working for you?
Try to start in compatibility mode with windows Vista.
Yes, but much slower than it would run Windows XP or a Linux distribution. Make sure your computer has at least 1GB of RAM to run Vista decently.
Only for Windows Vista, but you can use it on Windows XP, but that will stop Multiplayer from working.
Windows vista requires 512mb of system memory, an 800 mghz processor, 20gb of free hard drive space, and a direct X 9 capable graphics card. Windows vista is the 3rd newest version of Microsoft's OS systems, being replaced only by Windows 7 and 8.
Yes Brink will run on Windows Vista. However, it will run on Windows XP also. Your main concern should be the Video card, processor speed, and RAM. Check the games minimum requirements and compare them to your system specs.