Install the game is a problem for modern computers. There is a way around it though...
Installing Heretic II CD Version for all Versions of Windows.
If you have the Heretic II CD Version then just follow the instructions below.
- place your original Heretic II cd in your drive;
- when auto-run opens, close it;
- explore the folder "bin" on the cd and run Demo32.exe;
- It will ask for a file to open, select bin/H2_Setup.dbd;
- continue installation as normal.
Installing on Windows XP, Vista, Windows 7, and Windows 10.
Apparently an the installation problem arises on 64-bit versions of Windows 7 and Windows 10.
- Run the "Heretic II Enhancement Pack v1.06 (14.1 MB) which can be found Google the internet.
- install the "win2kserverfix" download link below:
https://drive.google.com/file/d/0B-LypCS9FvWBM3dxTlhsQVkxVWs/view?usp=sharing
- * To play the game use Compatibility Mode: Windows XP Service Pack 2, 8-bit 256 colors if you are experiencing problems or "run the compatability troubleshooter.
* Allow the game through your firewall.