AmanVPN_2.3.1.0806.exe /? Or check C:\Program Files\AmanVPN\changelog.txt after install.
Novice: below 50% accuracy.
Proficient: 50–80% accuracy, or above 80% but practiced fewer than 5 times. AmanVPN 2.3.1.0806.exe
Mastered: above 80% accuracy and practiced more than 5 times. AmanVPN_2