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Well the title says it, is it possible guys? I would appreciate your support on the subject.
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Two different platforms - the answer is no.
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AhabSnake: Well the title says it, is it possible guys? I would appreciate your support on the subject.
You can add it to your library.How?Sorry as I do not use Steam very often.I apologize if wrong.
Post edited October 22, 2016 by A.I.Person.
Yes you can add non steam games to your steam library

https://support.steampowered.com/kb_article.php?ref=2219-YDJV-5557

You won't get any achievements

The only reason I can see by adding a non steam game, is so steam stops pestering you to buy games you already own on another platform.

All the best