I've detected that you're looking for information on how to install 'Book of Demons' on a Mac, specifically the free version. Here's what I found:

Installation Instructions:

1. Go to the Book of Demons website ('www.bookofdemons.com'(http://www.bookofdemons.com)) and click on the 'Download' button.

2. Choose the 'Mac' option and select the desired version (e.g., 'Book of Demons' or 'Return 2 Games').

3. Click on the download link to save the installer package to your Mac.

4. Open the installer package and follow the prompts to install the game.

System Requirements:

* macOS High Sierra (10.13) or later

* Intel Core i5 processor or higher

* 8 GB RAM or more

* 2 GB available disk space

Additionally, I found some other information that might be useful:

* Book of Demons is a Hack & Slash Deck-building hybrid game where you decide the length of quests.

* You wield magic cards instead of weapons and slay armies of darkness in dungeons below the Old Cathedral.

* The game is the first installment of Return 2 Games, a series of original games.

If you need any further assistance or have questions about installing Book of Demons on your Mac, feel free to ask!

Free for mac instal Book of Demons