yes, by troble shooting the compatibility
Postal 2 can only run on computers in the UPS (jk) Portal 2 should be able to run Windows 8.1, as all the other Source games can.
No. Windows, and Windows programs, cannot be installed or run on a PS2.
Need for Speed Shift will not run on Windows XP Service Pack 2. The game will nonetheless work on Windows XP if it is upgraded to Service Pack 3.
yes
JC2 needs DX10 and higher. WinXP only supports up; to DX9 - ergo, Just Cause 2 will not run on Windows XP - unfortunately
it might if you run it as windows XP in the troubleshoot compatability tool
You can run Windows 7 with 1-2 GB of RAM depending on what you are doing. (More stuff you need more RAM) I Would go with at least 4 if not 8 GB of RAM to run Windows 7.
(2+4)-5-6
You can run windows on a mac
No because nobody likes Halo
The 2 operating systems are different from each other. Linux programs aren't meant to work in Windows most of the time. If you want to run Linux programs in Windows, install cygwin, and compile them from source code.
There are two models of the Surface 2 Surface 2 RT - runs Windows 8.1 RT Surface 2 Pro - runs Windows 8.1 full It is not possible to upgrade the operating system of a Surface RT to run full Windows 8.1