How to install and run Diablo I on Windows 7 (Without the color problem)

Step 1:
Insert your Diablo I disc and install the program.

Step 2:
After installing it, find your Diablo.exe file in the folder (It should be C:\Program Files (x86)\Diablo). Right click that file and click Properties:
http://i44.tinypic.com/jfuvky.png

Step 3:
Click the Compatibility tab and change it to look like this picture:
http://i43.tinypic.com/2mhscpi.png

After clicking apply and then OK, go to your desktop.

Step 4: Right click your desktop:
http://i43.tinypic.com/fwqdxy.png

Step 7: Leave that window open and start the game.