Hello and welcome to justanswer, My name is ***** ***** i will be assisting you today,
Please Note that The password ***** your outlook account is different from the Microsoft account that you use to log in to Windows even though both use the same email address
First open up the following link on your current computer: https://account.live.com/resetpassword.aspx
and Click I forgot my password and then click Next.
Enter the email the one you use to log in to Windows 10 and the captcha code provided, and then click Next.
Follow the on-screen instruction and you will be able to reset and create a new password ***** your Microsoft account.
Next, please use the newly created password ***** the login screen, on your computer.
Let me know the results please