Is there anyway, to login without administrator password please help me thank you.

Hi Supdoggs,

do you mean "login" as in "log into the computer" or register Bandicam?

Hello Supdoggs,

Please refer to the following FAQ.
https://www.bandicam.com/faqs/disable-u ... t-control/

You can run Bandicam with a non-admin user account by clicking the Bandicam(Non-admin) icon.

Thank you.