Hi,
You can reset your password depending on the type of account you're using. Do you currently have access to Windows, or are you stuck at the sign-in screen? Also, are you using a Microsoft account or a local account?
In the meantime, please refer to the article below for complete instructions on how to reset your password, whether you have access to your computer or not:
Microsoft account: https://support.microsoft.com/account-billing/reset-a-forgotten-microsoft-account-password-eff4f067-5042-c1a3-fe72-b04d60556c37
Local account: https://support.microsoft.com/windows/change-or-reset-your-password-in-windows-8271d17c-9f9e-443f-835a-8318c8f68b9c