Hi, mehranmahmood
Welcome to the Microsoft Community.
Is your computer logged in with a local account or a Microsoft account?
Try to retrieve the password in the following ways to see if it works:
Reset a forgotten Microsoft account password
This may send a verification code to your email, which may not be successful if you forget your email.
Try filling out the account recovery form:
Help with the Microsoft account recovery form
Hope the above information is helpful to you.
Best regards
Hinata
Microsoft Community Support Specialist