ichigo1000 :
I am getting a new 1TB hard drive and I would like to know how do i move all my steam games and game data without reinstalling and downloading. Redownloading everything will take a very very long time because there is lots of games.
When i move the steam games on another hard drive, the next time i download a game it will automatically download on my new hard drive right?
Ok, I didn't see this answer anywhere online and I had the exact same dilemma as you. Assuming you have already established another library for Steam, i.e. D:/Steam/SteamApps/common/(Game Folder) basically mirroring the install files which are presumably at C:/Program Files (x86)/Steam blah blah.
Ok, take the game folder you want to move and cut it from the original directory, and paste it in the new one. Once it's finished moving, in the Steam window, select the game and click Delete Local Content. It will then try and delete what was previously there, i.e. nothing since you just moved it, and then it will give you the option to install once more.
Now click install, and then select the new install path, i.e. D:/Steam, and click next. Steam will then notice that all of those files are already there and it will just look through them and in about two minutes it'll decide it's all there and you're good to go, no special software or console commands or anything.