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Windows 10 Pro Key: best deals, where to buy and how to save

All you need to know about your Win 10 Pro key
Last Updated on April 15, 2024
Windows 10 Pro Key
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Buy a Windows 10 Pro Key to upgrade your operating system with a valid and secure license.  This article will go through why it’s a good idea to have one, how to purchase a Windows 10 Pro Key and how to upgrade from 10 to Windows Pro 11 for free. 

Windows 10 Pro Key: understanding the importance

A Windows 10 Pro Key is essential to activate your copy of the operating system and receive updates from Microsoft. When you buy a Windows product, it’s not guaranteed that the item will arrive with a fully activated version of Windows Pro 10. You’re usually given around 30 days to activate a license, after that, you will receive constant requests by Microsoft to purchase one. Not only is it frustrating to get pop-ups and the infamous floating text that appears over every window, but it’s also unsafe to use non-activated versions of Windows. 

It may not seem interesting, but updates and bug fixes are important for your safety. Thanks to Windows developers’ work, the software is regularly being updated. This means that if a security issue is found in the code, it can be quickly fixed, keeping your information safe. If you don’t have a licensed and activated version of Windows 10, these updates will not be available to you. 

Not having a licensed version of Windows 10 Pro will also mean that you can’t personalize your background. 

Today’s Windows 10 pro key deals

Buy Windows 10 Pro key on Mr Key Shop

Buy Windows 10 Pro key on Keycense

Windows 10 pro product key price

With Microsoft’s new OS, Windows 11, being released in 2021, you can no longer buy a Windows 10 Pro Product Key from the Microsoft Store. Windows 11 Pro is listed for $199.99 on the Microsoft store, and considering you can upgrade from Windows 10 Pro to 11 for free, it’s simpler to compare prices if we assume 10 Pro costs $199.99. Remember that the upgrade is free only for the same version, so if you have the Home version, you must first upgrade Windows 10 Home to Pro, then upgrade to Windows 11 Pro.

Where to buy Windows 10 Pro activation keys

If you’ve heard that you can get Windows 10 for free, you probably also know that it’s only possible for a short trial period. That being said, Microsoft isn’t the only place to buy licenses. Websites like Mr Key Shop or Keycense allow you to purchase official licences for software like a Microsoft Office 2021 product key or buy a Windows 10 Pro product key.

Mr Key Shop is the shop that has already sold genuine lifetime software licenses to more than 350K satisfied customers. Among the more than 2500 positive reviews on TrustPilot, you will probably also find those of other PCguide readers. Mr Key Shop allows you to save big money buying a Windows 10 Pro activation key or other Windows operating systems (Windows 11, Windows 10, Windows 8.1, Windows 7), Office 2021, and previous versions of Microsoft Office for PC or Mac (including Microsoft 365), the best antivirus and VPN, and many other useful tools.

Keycense broke into the online software retailer landscape, immediately making a name for itself with its great deals, easy and attractive user interface, immediate delivery with no shipping costs, and first-class customer service. At the moment the platform sells Windows operating systems, many versions of the Microsoft Office suite (including Microsoft Office for Mac), the best antivirus for Windows 10, antivirus for Android and other OS/devices, and the best VPN. In addition to this software, Keycense promises that it will soon also host gaming licenses and prepaid cards.

windows 10 pro product key

Windows 10 pro license: tips on how to save money

While $199.99 may seem like a lot for buying a Windows 10 Pro license to use your Windows product. Luckily, there are plenty of ways to save, which is important considering how much you’ve probably already spent on whatever product a Windows 10 Pro key requires! Whilst it may be tempting to go onto websites like eBay, the incredibly cheap prices for Windows 10 can be deceiving. Often these keys are sold by unverified sellers, and if you look at the reviews you’ll most likely see complaints from unlucky buyers who haven’t been able to activate their licences successfully and have been left in the dark by the seller when trying to fix it.

With authorized sellers like Mr Key Shop and Keycense, you can find great discounts for software such as Windows 10 Pro, and feel confident that in both cases – you’re buying from a company with experienced customer service professionals. Their teams will happily guide you through any issues that may arise when installing the software and even have a full money-back guarantee in case of a wrong purchase.

It’s understandable that with Windows 11 Pro available, you would rather have the latest OS, rather than 10 Pro. Thankfully, Microsoft offers free upgrades from Windows 10 Pro to Windows 11 Pro. This means that if you wanted to save money, you could buy a Windows Pro 10 key from a seller like Keycense or Mr Key Shop, and then upgrade to Windows 11 Pro with no extra costs. Mr Key Shop is currently selling Windows 10 Pro keys on its website for $42.99, that’s $157.00 saved if you get it from there instead of the Microsoft store! The Windows 10 Pro product key is available at an even more advantageous price ($29.99 at the moment) on Keycense. 

In fact, ‘Home’, the cheaper Windows 11 OS, which has fewer features, is priced at $139.99 on the Microsoft Store. This means that you can buy a Windows 10 Pro key and then upgrade to Windows 11 Pro for free, for up to $110.00 less than an OS with fewer features.

Windows 10 Pro system requirements

Should you consider Windows 10 pro system requirements? Yes. Before buying any software, OS or not, it’s important to check if the computer, laptop, tablet, or other product has the capability to run it. While terms like RAM, Processor, or Graphics Card may seem daunting, the general rule is that if the product you have was released after the software was released, you’ll usually be in the clear. However, it’s always good to be sure. 

Windows 10 Pro can run either as a 32-bit or 64-bit system, the vast majority of applications and software are written for 64-bit systems so it’s advised to use the 64-bit version. To run Windows 10 Pro 64-bit system you’ll need 2 GB of RAM, 32 GB of hard drive space, a Graphics card with DirectX 9 or later with a WDDM 1.0 driver, and a display of at least 800×600.

If you’re unsure what any of these terms mean, ask a friend or family member, otherwise, Google can help. Let’s say you were checking if you have the right amount of RAM to use Windows 10 Pro: find your product’s name and then type RAM, for example, if you were using an Asus A509J, you would look up ‘Asus A509J RAM’, and see that you had 8GB of RAM. The minimum requirement of RAM to run Windows 10 Pro is 2GB, so if you were using the ASUS A509J, which has 10GB, you would know that the laptop could run it comfortably.

Windows 10 Pro download

Windows 10 Pro download

Downloading Windows 10 Pro is a simple and stress-free procedure. When purchasing the license key either from Keycense or Mr Key Shop, a link to make the Windows 10 Pro download will be sent to your email. Clicking on the link will begin the download. Read our previous article to learn how to download Microsoft Office for free

Install Windows 10 pro

Once the file from the link has been downloaded, it will then be time to install Windows 10 Pro. Clicking on the file will activate it, and open an installation guide. Follow the instructions provided to install the software.

Activate Windows 10 pro

Activating Windows 10 Pro is likely to happen automatically. However, you may need to use your license key to confirm your purchase. If you purchased the Windows 10 Pro key through Mr Key Shop or Keycense and have any issues with downloading, installing, or activating Windows 10 Pro, their customer service teams will be happy to help you.

Windows 10 Home vs Pro: which one to choose

When looking at the differences between Windows 10 Home and Pro, it may seem difficult to make your mind up about which is right for you. The main differences are encryption and information protection, which is useful to keep your data safe. Both with Mr Key Shop and Keycense the difference between Home and Pro is only $5.00. Considering how much you already save from buying a licence key, comparing Windows 10 Home vs. Pro the extra $5.00 for added safety seems like a good deal.

Windows 10 Home vs Pro

How to upgrade Windows 10 Pro to Windows 11 Pro 

Upgrading from Windows 10 Pro to Windows 11 Pro is free and straightforward. Considering Windows 11 is regarded as a better OS, it’s recommended that if your computer can run Windows 11 Pro, you should do it! Simply go to the Microsoft Store App, search for Windows 10 Pro, select the option to upgrade to 11 Pro, and click Install!


The concept of operating systems, laptop specs, and license keys may seem a little daunting but remember that they are designed to make your time on a computer more efficient. Using a software retailer like Mr Key Shop or Keycense is a great way to not only get your Windows 10 Pro product key and save money (especially during Black Friday!) but also have a customer service team there to help you if you ever encounter any issues in the process.

Kevin is the Editor of PC Guide. He has a broad interest and enthusiasm for consumer electronics, PCs and all things consumer tech - and more than 15 years experience in tech journalism.