Microsoft Windows 11 Pro is available for purchase at a 94% discount on StackSocial, making it a cost-effective option as support for Windows 10 ends in October. The operating system includes security features like biometric login, smart app control, and encrypted authentication, as well as advanced snap layouts for multitasking and DirectX 12 Ultimate for enhanced visuals. Users will receive an activation code and installation instructions upon purchase, and it's important to check system compatibility before buying. The typical retail price for Windows 11 Pro is around 0.