First you will need 2 files. you can download them
here.
there are 3 files with in the .ZIP file that you downloaded.
1 PlayerCap_99Terrorist_NoEyefinity.bat
2 R6Vegas2_Game.exe
3 TeknoR6Vegas2.exe
First you want to backup your Binaries Directory before we add or delete any files with in it.
this is your DR (Desastor Recovery) Just nav to "C:\Program Files (x86)\Ubisoft\Tom Clancy's Rainbow Six Vegas 2" right click on the Binaries Directory and select Copy then NAV to a different location on you hard drive and right click any open space and select paste. you know have a backup of your binaries directory.
All 3 files needs to be extracted to your "C:\Program Files (x86)\Ubisoft\Tom Clancy's Rainbow Six Vegas 2\Binaries" directory.
the path that I provided is for 64-BIT (32-bit will not of have the (x86) in the program files part.)
Know if you are not in the directory listed above please go there. you will want to create a desktop shortcut of the PlayerCap_99Terrorist_NoEyefinity.bat file. to do this right click the file and select sent to then desktop shortcut.