where do i look on my computer to figure out what video card i have?

thanks

62 MB RAM
page file: 125MB Used, 32MB available
processer: Intel Celeron, ~700 MHz
Is that what you needed to know if not what else? is not working because i have xp not me

I have just installed quake 3 arena on windows xp. Everytime i start on multiplayer it becomes incredibly slow and sometimes i could take a step or two then it freezes up and i have to shut down my computer. what do i need to do?