Check "Run this program in compatibility mode for" and select or Windows 7 . Check Run this program as an administrator .
PageMaker 6.5 was designed for Windows 95 and NT 4.0. Because it is a 32-bit application from 1996, it lacks native support for the 64-bit architecture and advanced security features of Windows 10. Adobe Pagemaker 6.5 Download For Windows 10
If you have the original installation files or a CD, you can attempt to run it using these workarounds: Right-click the Setup.exe file. Select Properties > Compatibility tab. Check "Run this program in compatibility mode for"