If you want to save money, you should interview for a job as a secretary. Working in an enterprise for half a year should be almost proficient. If you want to learn fast, you can learn it in a month, so go to Shantou Middle School. There are special courses there.
It's mainly up to you. If you usually type and make forms, you don't need to learn, because you don't need it at all. I was just telling the truth.