Get software discounts up to 91%

This software activation key sale post is presented by Keysbuff.

Miss the Valentine’s Day sale at Don’t fret. Cult of Mac readers can coast through the end of February on super discounts from software activation keys provider Keysbuff. You can save up to 91% off the full price on Windows 10 and get great savings on many other Microsoft software titles.

Just use promo code COM at to get an extra 25% off the site’s already-low prices on keys for Windows 10 Pro Global, Microsoft Office 2021 Pro and others in the list below. You can purchase many products with lifetime licenses.

Software deals and super discounts

You can save big at, with up to 91% off regular prices for software activation keys! You can save on Windows, Microsoft Office and more.

Microsoft Windows:

Microsoft Office:

Windows 10 and Office bundle:

Get ready to save on genuine Microsoft software.

Limited-time offers

To take advantage of Keysbuff’s special prices in February, act fast. These deals — in some cases, 91% off the full price — are limited-time offers. And supplies of these software activation keys are limited as well.

Also note that the keys sold by Keysbuff are activated on the software downloaded from the official software provider website or activated directly on the official website.

How to purchase your key and activate your new software

Keysbuff's purchase process is easy.  Start by clicking
Keysbuff’s purchase process is easy. Start by clicking “Buy Now” on the product page.

Keysbuff’s purchase and activation processes are straightforward and simple to follow. On the software activation key purchase page for the product you want, just click the Buy Now button. Then you simply sign up quickly for your free Keysbuff account (or log in if you’re a repeat customer). After you complete your purchase, you will receive your software activation link via email.

Once you place an order, you will receive a confirmation page.
Once you place an order, you will see a confirmation page.

After you follow the link and receive an OEM product key at the email address you entered during registration, go to Windows 10 Settings. Just click Start > Settings > System > About the program > Change product keyand then enter your product key.

You will see this once you complete your order.
You will see this once you complete your order.

After you activate the OEM key, you should see the following message on the Activation page: “Windows is activated with a digital license linked to your Microsoft account.”

Installing and activating new software via Microsoft is also a straightforward process. For example, let’s say you want to activate a Microsoft Office package. Just follow these steps:

  1. Go to the official Microsoft page for the Office software.
  2. Enter your Microsoft credentials (or create a profile if you do not already have a Microsoft account).
  3. Enter the product key in the appropriate field (from the Keysbuff purchased email you received after your purchase).
  4. After selecting your language and region, click Next to complete the activation.
  5. Now you can install Microsoft Office on your PC.
The official site will notify you that your software key is activated.
The official site will notify you that your software key is activated.

Free upgrade to Windows 11

Keysbuff offers amazing software at an affordable price. So, let’s say you’re thinking of building a custom PC. You can buy a Windows 10 software activation key at now and get a free upgrade to Windows 11. Then your new machine will hum along with the latest operating system and all its improvements.

And if you encounter any problems before or after purchase, just contact Keysbuff’s customer service department via email at

What is Keysbuff?

Keysbuff offers a range of software activation keys for productivity software. It also sells games for an array of platforms, including Steam, Origin, Ubisoft Connect and PlayStation. The company sells network cards, gift cards, PC games, expansion packs and, of course, many different software activation keys.

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