1. Current operating system: Windows 10 Home, version: 1903, OS build: 18362.418. See Figure 1.
2. Go to Microsoft Store to purchase the upgrade. See Figure 2.
3. Upgrade to Windows 10/11 Pro. Purchase. See Figure 3.
4. Seller name: Hangzhou NetEase Zengying Technology Co., Ltd. See Figure 4.
5. Automatic deduction by Microsoft authorized reseller: 808.00 successful. See Figure 5.
6. Upgrade to Windows 10/11 Pro. Install. See Figure 6.
7. Prompt: Getting ready… This lasted for most of the day starting from 9:20. After trying at least 3 times, I finally decided to abandon this approach. See Figure 7.
8. Reference URL: https://answers.microsoft.com/zh-hans/windows/forum/all/%E5%9C%A8microsoft/9ac0a3f0-01dc-4907-aacd-cd9258483b93 . Someone had encountered a similar problem. Redirect to: https://weibo.com/p/1001603908836913244355 . Open URL: https://www.microsoft.com/zh-cn/software-download/windows10 . Download the Media Creation Tool. See Figure 8.
9. Run: MediaCreationTool21H2.exe . It is ready to install. However, it installs Windows 10 Home China, not the expected Pro edition. This approach is not viable. See Figure 9.
10. My computer is a ThinkPad. Reference URL: https://jingyan.baidu.com/article/a3761b2beb4b9f1576f9aae7.html . Copy this string of code (Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey. In the PowerShell window, right-click to paste it, then press Enter. After waiting a few seconds, the product key will be displayed. Note down the key. See Figure 10.
PS C:\WINDOWS\system32> (Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey
11. Go to Settings – Activation – Change product key – Enter product key. See Figure 11.
12. Activate Windows. See Figure 12.
13. I finally decided to reinstall the operating system. I would rather waste the money spent on the upgrade. I also took the opportunity to upgrade the solid-state drive on the C drive to 256 GB. The final version is: Windows 10 Pro 2004. Then I reinstalled all the necessary software. See Figure 13.
