If you already have one, you can use the same to sign in to Skype.
To use Skype, you need to sign up and create a Microsoft account. Since Microsoft acquired Skype in 2011, the program has been promoted as a feature-packed communication tool. With the expansion of services, users cut down costs on standard phone messaging and calls. Over the years, the release of new features has turned the tool into a full-fledged communication platform for business purposes. Skype has always been a popular choice to connect with friends and family on the internet.