It’s been a few months since I’ve been able to log in to Steam, and so when I started it up I had a few updates installed. After everything was updated I went to the “Tools” section of my Library to look for Hammer so I could work on the map I’ve been making and it wasn’t there. I have looked for about 15 minutes, and I cannot find that stupid program. Am I just blind? I would appreciate any help.
–MirageES
Source SDK.
Thanks Cameron: D
:facepalm: Wow, it’s been so long since I used it, I completely forgot that. I feel like a complete idiot now. I’m just going to go back to lurking. 
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Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.