How to Change Your Password in Windows 10?
You can always choose a regular new password--we recommend using a combination of letters, numbers, and symbols. Usually it's best if these passwords are at least eight characters long. Although we advise you to use an alphanumeric password format because it's safer, you can also change your password into a pin or picture that lets you sign in to your Microsoft account quicker.
Also, literally keep your eye out for Windows 10 Problems Hello, which allows you to sign in to your account through iris, face, or fingerprint detection. New PCs will ship later this year with this new technology. Don't wait until then to change your password if you need to!
To Change / Set a Password
1. Click the Start button at the bottom left of your screen.
2. Click Settings from the list to the left.
3. Select Accounts.
7. Microsoft will send you a new code to change your password through the phone number that is associated with your account. Enter the last four digits of your phone number to verify it is the correct number. Press Enter.