Problems with open GL :(

I got a new/used computer ( I know nothing about computers) I tried to play Shadowbane and it says that there is a open GL problem… how do i Download this driver ( if possible)… sorry about the probably dumb questions

Used computer?

Does your comptuer meet the minimum requirements to play the game?

Pentium® III Processor 700 MHz. or higher
128 MB RAM
1 GB free hard drive space
Microsoft® Windows® 98SE/ME/2000/XP
CD-ROM drive
56 kbps modem + Internet connection
32 MB TNT2 (or better) OpenGL-compliant graphics accelerator
DirectX® 8.1 or higher

Pentium® III Processor 700 MHz. or higher
128 MB RAM
1 GB free hard drive space
Microsoft® Windows® 98SE/ME/2000/XP
CD-ROM drive
56 kbps modem + Internet connection

I have way better than all of that
how do i check the rest?