i forgot my backup password and now i can't access my backup so please help me what to do

Start with this knowledge base articleand go to encrypted backups item.

Is this a time machine backup? What kind of drive are you using?

I have used the “iPhone Backup Password Unlocker” to reset my forgotten encrypted iPhone backup password Windows! It is unbelievable for me! Just 3 easy steps! Now, all my contact address, call logs, etc. are back!

can you explain how this worked for you ? because i have downloaded the program but the backup file isnt found .
HELP!!!!