you can't
Yes, you can. I play it on vista
No, cs is not compatible with vista.
Yes.
how to play zombie plague on cs 1.6 with bots
Just buy CS through steam and play.
have an internet connection, install cs 1.6, search for server of cs 1.6 in your country on Google, copy anyone server ip and ":xxxx" number. given there. enter CD key in cs, write connect (ip you got ) [submit] play.
You can play CS 1.6 in OpenGL mode by changing the video mode settings to OpenGL in the options menu or if you're running Vista or Windows 7, you can download and install a program called GLDirect. This program allows you to run OpenGL-based games and other applications using your graphics card's DirectX drivers.
no
Yes, Windows 7 runs all versions of Photoshop
One person can play CS alone as there are bots to play against. However it is more fun to play against a group of at least 3 or more to have more opportunities for random gaming.
well in cs version 1.6 you go to the settings and change a bunch of things
try this http://support.microsoft.com/kb/290301