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My main computer that has Steam installed on it does not have an active Internet connection. I do not want this computer to have access to the Internet, but I really would like to be able to play some of the games I bought with Steam.

How can I install and play a Steam game if I don't have the Internet on my machine? Can I simply download the game on another computer with Steam, copy the local game files to a flash drive, and copy the game files to my other computer's Steam directory?

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You cannot install a Steam game offline. It needs to connect to the Steam servers the very first time to confirm you own the game.

If you do not want to redownload the game, go online, click install, let it go as far as where it starts downloading, close Steam completely and copy the files from the SteamApps folder on another machine, then launch Steam again. However, this process still requires an internet connection on first play.

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Steam has an option to "Backup local files" or similar you can use on a game. It saves all the downloaded information for the game in a convenient file you can move around and restore on another computer. However, I believe steam will still demand to connect to the internet before you can play the game for the first time, or possibly at all.

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  • To add a bit of info, in "Steam" menu there is an option "Backup and Restore Games" after choosing that option process is self-explanatory. Thanks for pointing in the right direction! – Ivan Ivanić Jun 23 '18 at 18:53

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