http://www.shacknews.com/onearticle.x/50498
Quite old but so good :lol
Also, RawkHawk:
http://steampowered.com/nvidia/
Portal demo, hoping you have an nvidia card. It uses the same source engine version as tf2. TF2 is a bit more hardware dependant then portal, however, but I'd say if you can run portal you can run tf2. Don't expect the same framerates though.
Quite old but so good :lol
Also, RawkHawk:
http://steampowered.com/nvidia/
Portal demo, hoping you have an nvidia card. It uses the same source engine version as tf2. TF2 is a bit more hardware dependant then portal, however, but I'd say if you can run portal you can run tf2. Don't expect the same framerates though.