DPI aware?

[Gets]

Quickest approach my be to add RESIZE so you can stretch out lower resolution programs. QB64 isn't designed to adjust those parameters for you because they're under the programmer's control or in line with Qbasic various SCREEN settings. If you want relative settings you need to create the functions yourself like James' example. If you want to make adjustments based on system settings, you probably need a library that provides access to them