Hello Helen,
Thank you for visiting Microsoft Community.
As per the issue description, you are getting message of "incorrect password" while login.
I would appreciate if you can provide us the following information to help us understand the issue better.
- Is your computer connected to internet?
- Have you checked logging in to your computer with onscreen keyboard?
- Do you have any other user account on the computer?
- Are you able to login to your Microsoft account?
Sometimes, the keyboard layout get changed to a different language and that may cause incorrect password issue on the computer.
Let’s check logging in with the on-screen keyboard.
Refer the article below to use On-screen keyboard while login.
Use the On-Screen keyboard to type
http://windows.microsoft.com/en-us/windows-8/type-with-the-on-screen-keyboard
If the issue persists you may check changing the keyboard language by pressing Windows and spacebar keys together.
Note: Make sure that your Windows 8.1 computer is connected to internet before resetting your Microsoft account password.
Forgotten password and other sign-in problems
http://windows.microsoft.com/en-ie/windows-live/account-reset-password-forgot-faq
Hope this information is helpful. Please let us know the results. Feel free to write us back for any further assistance with Windows, we’ll be glad to assist you.