How to hack your rar password. Step 1: Download and install rar password cracker. Step 2: Open it choose create new project , and click next. Step 3: Select load rar archive , browse and select your rar file with password protected. Step 4: Click add to project, and click next. Step 5: Select bruteforce attack and click next. Step 6: Click add and select desire chipset. Step 7: Type the beginning of the password @ at begin and type the end of the password @ at end . Step 8: set minimal and maximal length , and click next. Step 9: enter the path and name to save the project to a file,and click finish. Step 10: the rar password cracker will predict the password of your archive file.