Microsoft Store, which is the successor of Windows Marketplace, is a store with applications designed for users of Windows 8, 8.1 and Windows 10. The beginnings of the store go back to Windows 8 and Windows Server 2012. The Windows Store includes both paid and free applications. All software that is placed in the Microsoft store must have a certificate of conformity which is a guarantee of the security of such software. There are currently over 170,000 applications available in the store - we can find there, among others games, programs, books, educational and entertainment materials.