Is it possible to install the Portal 2 Authoring Tools without having Portal 2 installed? Otherwise, how could I fool Steam into thinking I have?

The reason I'm asking is that I have Portal 2 installed for Mac. However, I can also run Steam through Wine to play the games only available for Windows. I want to install the Portal 2 Authoring Tools on Wine Steam, but Steam wants me to download Portal 2. Could I point Steam to my Mac version, or do I need the PC version for it to work?

  • 4
    I'll not post this as an answer as I haven't done the legwork, but: It is my understanding that the authoring tools require access to game assets (models, etc.) in order to function and that the only way to get these assets is to install the game.
    – Ben Blank
    Oct 17, 2011 at 18:30

1 Answer 1


If you have enough HD space you can just copy your portal 2 game folder from your pc onto your mac, at least it will save you the time downloading it :)

  • Sorry, have you tried copying about a 5gb game to another computer, this answer only answers how to lose your time? Jun 16, 2013 at 11:06
  • 5gb is nothing, stick in a usb3 pen drive, job done in under 20 mins, the question was how to do something, not how to do something fast. Jun 16, 2013 at 21:40
  • under 2o minutes, roflmao, it takes me a hour. Jun 17, 2013 at 9:47
  • then perhaps you have usb1,2 or a slow/dying harddrive, regardless this is offtopic to the question, the question being how to do something and not how long something will take to do :) Jun 26, 2013 at 19:21
  • OK. This will now end. Jun 26, 2013 at 21:50

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