Go cold turkey and quit that Mac completely
It's a good idea to spend some time poking around these services to determine which ones are valuable to you. For example, if you use Skype, you can use your Skype credentials to log in to your Microsoft account.
But did you know your Microsoft account gives you access to a bunch of additional Microsoft services, including Skype, OneDrive, Xbox Live, the Windows Store and MSN services? If you already use any of these Microsoft services, or have in the past, you likely already have a Microsoft account. If you already setup your PC, you probably already created an account.
