
Find your Windows product key - Microsoft Support
Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
Reactivating Windows after a hardware change - Microsoft Support
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 …
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Difference between product key and activation code
In summary, a product key is used during installation, while an activation code is used to activate the software afterwards. Both are essential for ensuring a legitimate and functional software experience.
ค้นหาหมายเลขผลิตภัณฑ์ Windows ของคุณ - ฝ่ายสนับสนุนของ …
เรียนรู้วิธีค้นหาหมายเลขผลิตภัณฑ์ Windows สําหรับการเปิดใช้งาน และเมื่อคุณจะใช้ใบอนุญาตใช้งานดิจิทัลแทน
Tìm khóa sản phẩm Windows của bạn - Hỗ trợ của Microsoft
Tìm hiểu cách tìm khóa sản phẩm Windows để kích hoạt và khi nào bạn sẽ sử dụng giấy phép kỹ thuật số để thay thế.
Product keys for Windows - Microsoft Support
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.
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install …
Using the Windows Activation troubleshooter - Microsoft Support
During setup for Windows 11 Home, you'll be asked to enter a product key. Because you already have a digital license for Windows 11 Home, you can skip this step and continue with the installation. …
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