Follow this blog to activate Windows 10/11

1. To enter/change your product key within Windows 10/11 follow the screenshot below.      
(Start>> Settings >> Update & Security>> Activation>>Change product key)

2. You will be prompted to enter product key. Enter your product key purchased. Then, click “Next“.

3. After entering the product key, you will receive the following error code like 0x803F7001.

4. ✅ Now click “Close” button!, Find & Click “Activate by phone“

5. After Click “Activate by phone” and select country “India” And Click “Next“

6. Than send me that screenshot 💻 of your installation id.
👉 to get Confirmation ID

7. After you will get 👉 Confirmation ID ✅ Now click “Enter Confirmation ID” button and put the provided ID on your WhatsApp👇 than click 👉 “Activate Windows” button

8. If your product key is valid and the numbers have been entered correctly, You’re done, Windows is successfully activated.

If still face any issue, You can contact via WhatsApp by sending error screenshot or by Call.