Css won't work :(

When i try spawn a CSS thing. It won’t show. it aint there either.
All the gun sounds won’t work either!
NOTHING OF CSS WILL WORK -.-!!
I think Tf2 is not there either.
But it’s css that bothers me most.
PLZ HELP ME!

Go to the main menu, then go to Gmod Settings and mount the games if they arent mounted yet.

Pirate right there.

thank you!!!