Turn on both your generator and your computer that has the generator program. Access the program according to the program specific directions. Select "Set Generator" or "Set Generator Programs" to program the generator.
Select "Test Generator" to test the generator and the program, if your program has this option. This will automatically power down whatever the generator is responsible for, and then power up the generator to test that it is working correctly. If your generator does not have this option, proceed to the next step to test it manually.
Set the program for the generator manually to turn it on at a specific time. Set it to automatically turn off in a matter of minutes. Then wait for the select time and watch to see that the generator turns on.