Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Pelajari cara menemukan kunci produk Windows untuk aktivasi, dan kapan Anda akan menggunakan lisensi digital sebagai gantinya.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to find the serial number on your Surface so you can register your product or request service.

If you're having trouble activating Windows 10, follow these steps to fix activation errors: Confirm that your device is up to date and running Windows 10, version 1607 or later.

If you make significant hardware changes on your device, such as replacing your motherboard, Windows will no longer find a license that matches your device, and you’ll need to reactivate …

Pelajari cara menggunakan opsi perlindungan dari virus dan ancaman di Keamanan Windows untuk memindai perangkat Anda atas ancaman dan melihat hasilnya.

Each Surface device is eligible to receive new driver and firmware updates until its end-of-servicing date listed in Surface devices driver and firmware lifecycle for Windows-based devices.

A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.