Major stores like Amazon and Flipkart sell both physical "Full Packaged Product" (FPP) versions (often on a USB drive) and digital keys.
Buying a Windows operating system is a straightforward process, but the right method depends on whether you are upgrading an existing computer or building a new one from scratch. As of 2026, the primary choice for most users is , though some specialized versions of Windows 10 remain available for business use. 1. Where to Buy a License
The most secure way is to purchase a digital download from the official Microsoft Store. This links the license to your Microsoft account for easier reactivation later.
If you have an unactivated version of Windows already installed, you can buy a license directly through Settings > System > Activation > Go to Store . 2. Choosing the Right Version Go to product viewer dialog for this item. Microsoft Windows 11 Pro
You can acquire a legitimate Windows license through several official and authorized channels:
