Hello, I have this problem. I tried to rename a file, it would success if I do it in the way where However, I tried using from string, and converting that string to char, the compiler says that it is impossible to convert that string to a char. So I was wondering if is there any other solutions or can I actually really convert string to char? Anyhow, here is my idea: I am actually building this program to allow users to rename the file to something, which means they have to tell me (the program) the path to that folder. And I will rename that folder to a new name. Here is my code: