Locate the Notepad application on your computer and an open a new window and the following command. Here is a guide on how to achieve it using Notepad. The process involves the use of command lines hence you need to be careful not to miss some lines. Notepad is an inbuilt text editor on your computer that you can use to find RAR password that you have forgotten.
Now, if you fail to find RAR password by guessing it, then you have to try the second method of using Notepad. The idea behind guessing the password in a bid to find RAR password is because we at times used a shared password for different accounts. Yes, try guessing the password by entering all the possible passwords that you have and to your surprise, just one of them could work. Since you have forgotten the password of your RAR file, the first and recommended solution is to try and the guess the password.