That's maybe a 9 or 10 inch dick. That's big, but not huge.
Edit: Or maybe that is unusually big. You made me look up averages, and they aren't what I assumed.
Apparently you use the ***AI_EN.exe to start it. This seems to have worked for me. Warning: This requires giving permission to windows to let the executable make changes. I can't guarantee there isn't a virus or trojan.