Go to https://www.humblebundle.com/ and scroll down and you will be able to claim a free copy.
Note: NOT a Steam key
credit to tnfl
Instructions on where to use your code: https://support.humblebundle.com/hc/en-us/articles/216288658
The ‘Humble Kingmaker Bundle’ offer code grants you the following digital items:
• 15 Random Packs of Cards
• 2 Exclusive Card Packs
• 2 Research Card Packs
• 200 Card Points
• 4 (7-Day) Premium Tokens
• 2 Exclusive Coat of Arms Designs
Once you have your code (found on your Humble Bundle download page) you must download the game at http://www.strongholdkingdoms.com/ and after installing the game register for a Stronghold Kingdoms account:….
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