First off you download DBSource.
Download @ BitTorrent
Download @ FileFront Hosting
Download @ Moddb Hosting
Download @ SendSpace Mirror
Download @ MegaUpload Mirror
Download @ Temp Direct Download
Then open my computer.
Then goto Local Disk ( C: ) Or where ever you have it installed at,
then goto Program Files - > Valve - > Steam - > SteamApps -
> SourceMods and extract the DBSource folder there.
Once done restart steam!Have Fun.Simple and easy.
Made by Darkprince