Windows 10 updates: how to install, reinstall, upgrade, and activate


The OEM license mã sản phẩm has changed since Windows 8. If you buy a Windows 8.1 or Windows 10 pre-installed computer, you will no longer see a sticker on the back or vị trí cao nhất of the machine with 5×5 product key printed on it. There is only an official Windows 8.1 / 10 hình ảnh sticker instead. That’s all.

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The main intention for this change by Microsoft is khổng lồ limit the number of keys being compromised. But to most of the end users, it’s merely a piece of good news not needing to lớn worry about the sticker fading or getting scratched. The downside is that they will have a little chance of seeing or saving a copy of it for future use, or as the physical approval for having a proper licensed Windows 8.1 or Windows 10 computer.

The key is now embedded in BIOS and can be retrieved automatically during the activation process in Windows 8 / 10. Theoretically, you will never be asked for a key to lớn activate your machine. But to have the process run smoothly, you will need the right Windows 8/10 installation truyền thông media that matches the one stored in BIOS. Or, you will be prompted to lớn type in the right sản phẩm key.

So is there a way of knowing what my Windows 8 or Windows 10 sản phẩm key is?

If you have Windows 8 or 10 installed and activated

NirSoft’s ProduKey is your friend. It’s a không tính phí portable tool that reveals the keys not only to lớn your installed Windows operating system but also other installed software as well, such as MS Office.

But if not

For example, how can I retrieve the key from a downgraded machine that runs Windows 7?

That’s where RWEverything (Read, Write Everything) comes to lớn the rescue. Let me quickly show you how:

First of all, tải về the proper version from its download page. There is also a portable version available that lets you run và forget it.

Extract the program from the zipped file, & double-click the RW.exe executable file to launch the program.

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Then, click ACPI icon from the đứng top toolbar, và MSDM table in ACPI table. Và you will find your BIOS embedded key right in the Data row.


I’ve tested it on several Windows 8 pre-installed machine & have confirmed that the information retrieved within the tool is accurate.

/Update on Dec 19, 2018/

There is an easy way that you can use khổng lồ retrieve the embedded product key info right from a command line. Mở cửa a Command Prompt window & run the following command:

wmic path softwarelicensingservice get OA3xOriginalProductKeyIt returns the hàng hóa key if it finds one in BIOS, or returns nothing if not.

/Update on June 28, 2018/

Apparently, the ProductKey tool from NirSoft has a new version, v1.93, that pulls the sản phẩm key from BIOS as well. Run the tool & look for the line called Windows (BIOS OEM Key).

/Update on Feb. 2, 2015/

NirSoft released a new tool called FirmwareTableView that can also retrieve embedded Windows 8 sản phẩm key from BIOS. Kiểm tra it out.