1. Some people can download it, but they don't like to help others download it;
Some people may charge you if they want to make some money.
3. There are also some forums or Baidu that need some remuneration (forum points, Baidu points, etc.). );
More enthusiastic people are just helping others.
Everyone is different for no reason, just like the same person holding an apple in his hand. Some people like to eat secretly, some people want to share with others, and some people will sell them. Do you think these are the same?