Microsoft Windows 8 Professional Upgrade

If you currently have a personal computer running Windows 7, Windows XP or Windows Vista then you can upgrade to Windows 8 Pro (Professional). With Windows 8 Pro, you can connect and share your files. Windows 8 Pro also adds enhanced features if you need to connect to company networks, access remote files, encrypt sensitive data, and other more advanced tasks. Running Windows 7, Windows XP or Windows Vista?

Once you install Windows 8, Windows 8.1 is available as a free update directly from Microsoft. Customize your Start screen with Live Tiles Stay safer with Windows Defender. Encrypt your data with Bitlocker.