Package Instructions
Linux Packages 
Currently we have only the packages available that you can see at repology. We are working on *.deb-packaging and AppImages though, you can follow the progress at bintray.
Windows Packages 
Instructions
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Download and check signature
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Install
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Set a new environment variable AGE2DIR to the path of your Age2-directory. You could also add that in the openage.bat-file, if you like.
NOTE: We currently support Age2-Versions until HD4.3 and old AoC 1.0c, if you have the last Steam-Version read below. A new converter version comes soon.
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Double-click openage.bat
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Wait for the conversion of the assets
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Enjoy
How to set AoE2HD to Version 4.3
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Make a backup of your existing Age2HD-folder
NOTE: Standard path is
C:\Program Files (x86)\Steam\steamapps\common\Age2HD -
Open Steam library
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Right-click on "Age of Empires II: HD Edition" and click on
Properties -
Go to
Betas -
Choose
patch43 - Patch 4.3 -
Close the window and wait for the download to finish
Troubleshooting
Also consider taking a look into our Troubleshooting guide. Please give feedback for potential problems in our Matrix channel or on reddit.