well, actually that depends if it's a cd from someone like Dell, Gateway, HP, etc then many times its on ONE system and ONLY one system. However, the retail version you can install on one desktop and one laptop and can transfer from one PC to the other as long as you uninstall from the original desktop
If you argue with an idiot he will drag you down to his level and beat you with experience.
I am not a fast writer.
I am not a slow writer.
I am a half-fast writer.