Can I buy a Windows 7 product key for Microsoft?

Can I buy a Windows 7 product key for Microsoft?

How to view my windows 7 product key

The product key is pre-installed on the computer, included with the package in which the computer was shipped or on the Certificate of Authenticity (COA) attached to the computer. For more information, contact the hardware manufacturer, and for images of authentic product keys and COA labels, see How to tell if the hardware is genuine.

The product key is located on a sticker or card inside the box that Windows came in. For more information, contact the retailer who sold you Windows 10 or Windows 11. How to tell if your software is genuine.

A product key is usually required when uninstalling or reinstalling Windows 7 or Windows 8.1. Generally, if you purchased a physical copy of Windows, the product key should be on a sticker or card inside the box that Windows came in. If Windows came pre-installed on your computer, the product key should appear on a sticker on the device. If you have lost the product key or cannot find it, contact the manufacturer. To make sure the product key is genuine, see How to tell if the software is genuine and How to tell if the hardware is genuine.


Nowadays, users are looking for Windows 7 Ultimate serial key, and its keys have become scarce because the operating system is already old. Therefore, it is very difficult to find Windows 7 key. So here are some of Windows 7 serial or product keys. In addition, we have Windows 8 product keys.

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You cannot find the Windows 7 key on the installation media, a product key is not stored or written to a copy version of Windows. Also, it is possible that another user has already used this key, so it will not work for someone else.

It is not possible to activate Windows 7 on another system with the same product key. But if you want to try Windows 7, use any key and install your product. However, your operating system will work for about a month and then you will receive a message to activate the copy of Windows, so you must activate it if you want to use it. In other words, you can install as many copies of Windows, but you can only activate it once on a single computer.

Free windows 10 product key

There are two types of licenses to activate Windows 10. On the one hand you have the retail license (or RTL), which is the one you buy in physical stores or directly in the Microsoft store. With these RTL licenses you can install Windows on more than one computer, as long as you do not try to use your license key on more than one computer simultaneously.

The RTL licenses of the Home version of Windows 10 can be purchased on this page of the Microsoft Store for a price of 135 euros. If you prefer the PRO version, which incorporate for example enterprise features for encryption, remote login, or the creation of virtual machines, you can buy them on this other Microsoft Store page for 279 euros.

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Here you should keep one important thing in mind. If you bought a cheap OEM license from an online store you will not be able to upgrade for free anymore, you will only be able to do so in case you have an expensive original license. However, this possibility may also disappear over time, but it’s all a matter of trial and error.


For these first figures we have compiled the official prices in dollars (unfortunately it is more complicated to find them in pesetas and euros) on the day of launch to final consumers, without counting offers or possible punctual promotions.

In the graph we share below we have represented the evolution of the price of the most basic version of Windows, as reflected in the data in the table above. In addition, we have represented the amounts of money to which the corresponding prices would be equivalent today according to the US Inflation Calculator (which, in turn, is based on the US CPI). For the uninitiated, this basically means that the $209.95 price of Windows 95 in 1995 would be roughly equivalent to $325.94 today.

In dark green, prices recalculated to approximately the amount they would be equivalent to today’s prices taking inflation into account (calculated from the CPI and the calculator).

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