Eh? how is it possible to have HL2 installed on you computer but not on steam? The short answer is no. But you're welcome to try clicking "add a game in the bottom left corner of your library and adding half life 2 as a game.
go to steampowered.com make an account download steam on your computer and then go to the the search bar and type garrys mod and download it it cost $10 you have to have a game source though like half life the cheapest source is half life death match
Check your "Options" to make sure the spray you want is still set.
possibly, if garry allows u
You do not make an account on Garry's Mod. You need something called Steam. http://tinyurl.com/2vwrgf5
It depends on what the player does i guess But its mostly what Half Life 2 is rated If the player has counterstrike source also installed the content (Characters and guns) gets transferred to garrys mod so they can play around with it in the game, it depends on a few factors (1) what will they do? (2) what other games that rely on the source engine do they have installed? (3) what do you think is suitable for them in garrys mod, they are only limited by their imagination, in Garrys Mod you can build pretty much anything, and i mean anything
If you mean taking a screenshot, then press the Prnt Scrn button, you will save whatever is displayed on the computer.
technically yes, there were a few updates it is still called Garrys mod 10 though
Buy Garry's mod 10 off of steam.
The game is not sold in stores. It is sold on a game selling company called steam. You would need to make a account on steam and buy it there.
no because garrys mod requires that you have a game that uses the source engine
Depending on how good your computer is, it may vary in startup time. Restarting Steam might make it faster.
Steam