1. Install WinPcap 4.1.3, by using WinPcap_4_1_3.exe
2. Run the MW2sa.exe software. You will need administrator rights.
3. Use your ingame browser and go to http://127.0.0.1:28961/
4. Have fun!

If it doesn't work, use "vcredist_x86.exe" as well. Tyvm.

[Note: the small download version doesn't come with these installers]

This program does not support Windows XP.