Unable to log onto MyCloudPr4100.online page

I can access the administrative login page @ MyCloudPR4100.hom and by the IP address. But when I plug in the password I wrote down at setup, it will not sign me in. How can I reset it without being able to login, and without losing everything I have put onto the NAS?? Thanks!!

Hello,

Please refer to the following KBA: https://support-en.wd.com/app/answers/detail/a_id/8210