It's really not that hard. On Windows you just tell SmartScreen to install anyway. On macOS once you've changed the system setting to allow unsigned executables

It's really not that hard. On Windows you just tell SmartScreen to install anyway. On macOS once you've changed the system setting to allow unsigned executables, you right click and choose open and then tell it to run anyway. In both cases it won't bother you about it again for that executable.