Theres a little free tool called speccy from piriform for detailed system specs.
You can also find out your GPU via the device manager theres a section “display adapter” or by pressing windowskey+r and then typing in “dxdiag” if its properly installed. Or you can go into blenders menu, under help you can save the system info. In that file theres a “GPU” section.
Regarding that error its very likely a shader compilation errror that is caused on outdated drivers like here:
Edit: @DNorman, sorry just read your post. And it seems I’m just a copycat.