Windows 10: WORK/SCHOOL ACCOUNT ACCEPTED BUT NOW IT'S SAYING MY PASSWORD IS INCORRECT AND ONLY SHOWS ME...

My office just got a new computer. I got it set up and when it came to the part where I put in my work email and password, it accepted it, then continued on with the start up process. Finally, after doing all that, it showed me the sign in page, only instead of showing "Admin" or "office", it showed "other user". I was a bit confused, as I haven't even set up the main user, let alone "other" user. I tried to click the mouse somewhere else, but this is the only option it gave me. So I figured, oh well, I'll just log in and change this user to admin once I'm in. But when I enter my password I h

:)