As long as you have a Microsoft account, you can log into Skype, Office, Xbox Live, Microsoft Edge, OneDrive, Windows, Mixer, the Microsoft Store, Cortana, and MSN with a single username and password. This wikiHow will teach you how to log into your Microsoft account using a web browser.
Steps
1Go to https://account.microsoft.com/account in a web browser. You can use any browser to login to your account.
2Click Sign In. You’ll find this on the left side of the window next to “Create a Microsoft account.”
3Enter your email, phone number, or Skype. You can use any of these sign-ins to be able to log into your account.
4Click Next to continue.
5Enter your password. You can also click the checkbox next to “Keep me signed in” to avoid needing to sign in every time you visit a Microsoft account page.If you don’t know your password, click Other ways to sign in or Forgot Password for help.
6Click Sign in to continue. If your password is correct, you’ll be redirected to your account page where you can manage your products (like Office) and your devices (such as which computers and phones are connected to your account).XTrustworthy SourceMicrosoft SupportTechnical support and product information from Microsoft.Go to source