How long does it take to get a nail art license?

pu1. I saw someone I know and I got it in half a year. I took two exams

2023-04-20

OK

pu2. There are four exams a year every three months, but if you get it the fastest, you can do it in three months

2023-04-20

OK

pu3. If you don't make a mistake, you can do it in three months

2023-04-20

OK