The Edit password is a function built into RPM to allow you to reset the password for your profile. This section of RPM will also allow you to enable Microsoft login.     

When logged in, click on your name that is showing on the top right of your RPM taskbar. 

Click Sign in settings.

Click Edit Password 

Enter your current password. In the New Password section enter the new password you would like.

Note: The blue question mark will let you know of any restrictions that may be in place for your new password.

Click Ok to save your password change.