Windows-programma’s
Deze werken onder Windows 95 of hoger.

These are very old files and uses 8 bit colors.

Windows 10:
You will have to change the file properties:
Right-click on the file
Choose Properties
Open the tab Compatibility
Tick Compatibility mode: Windows XP (Service Pack 2)
Tick reduced color mode: 8-bit
When you run the program, Windows 10 will warn you.

In older Windows versions you had to change the color depth in display settings from 32 bit to 16 bit (or 8 bit?).