For Windows 10:1. From the
Desktop, right-click the very bottom left corner of the screen to get the Power User Task Menu. From the Power User Task Menu, click
System.
For Windows 7:1. Click the Start button, right-click the
Computer option in the Start menu, and select
Properties.2. Click the
Advanced System Settings link in the left column.
3. (Please refer following figure) In the System Properties window, click on the
Advanced tab, then click the
Environment Variables button near the bottom of that tab.
4. In the Environment Variables window (pictured below), create a new environment variable, click
New.
5. Enter the variable name = QT_OPENGL and variable value= angle to let shepherd2 use DirectX.