In Roman numerals, C stands for the number 100. This is based on the Latin word centrum, which means 100.. As of 2014, Roman numerals are still occasionally used, such as seen in the British monarch Queen Elizabeth II.
A Microsoft account is what you use for almost everything you do with Microsoft devices and services. Itâs an email address and password that you use to sign in to Skype, Outlook.com, OneDrive, Windows Phone, and Xbox LIVE â and it means your files, photos, contacts and settings can follow you to any device.
Your Microsoft account is your key to free online storage, mobile entertainment, apps in the Windows Store, other Microsoft products and services (like Xbox Live or a Windows Phone), and connecting your devices and accounts seamlessly. All you have to do is sign in to your PC with your Microsoft account.