What to do if you forget the Mikrotik router password:
If you forget Mitrotik RB450g password then dont wary you can reset it by following steps:
Open the router case.
and find the point on circuit board which is highlighted in figure.
Then use a screwdriver to withstand a power outage that hole, and then power.
Continue this it will be completed in about two minutes, it beeps when it is completed.
I hope this will also work for you I wish you good luck. Thank you!