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Get up to 90% off Windows and Office in CdkeySales March Madness sale

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As March rolls along, the big March Madness Sale at software activation keys provider remains in play. This week, you can get slam-dunk deals on Microsoft Windows, Office and more. Don’t miss out on your chance to save big!

Cult of Mac readers who’d rather not pay full price for Windows 10 and other vital software can click on the links below to bag low prices. (Note: Windows 10 comes with a free upgrade to Windows 11.) To get the absolute best savings, enter promo code CULT at That will slash an additional 30% off the site’s low, low prices on keys for Windows 10 Pro Global, Microsoft Office 2021 Pro and more.

March Madness Sale rolls on for genuine lifetime Windows 10 and Office

Microsoft Windows

Microsoft Office

Windows and Office packs

Secure super-sized savings on Microsoft software

Ready to save on genuine Microsoft software? Head to using the links above. And don’t forget to enter promo code CULT to get extra savings.

Don’t delay if you want a great deal on Microsoft software. These are limited-time deals. The discounts — in some cases, as much as 90% off the full price — won’t last long. And supplies of these software activation keys are limited as well.

Also note that the keys sold by CdkeySales are activated on software downloaded from the official software provider website or activated directly on the official website. But don’t worry — we’ll walk you through the process.

How to buy and activate Microsoft software keys

The first step toward saving on Microsoft software is to click the "buy now" button on the product page.
The first step toward saving on Microsoft software is to click the “buy now” button on the product page.

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

This page confirms what you ordered and lets you enter the code CULT for savings.
This page confirms what you ordered and lets you enter the code CULT for savings.

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 key, and then enter your product key.

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.”

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

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 purchased product key in the appropriate field (from the CdkeySales 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 process for activating your new software is straightforward.
The process for activating your new software is straightforward.

Purchase Windows 10, get Windows 11 free offers great software at amazingly affordable prices. And it gets even better when you consider that you can get a free upgrade to Windows 11 when you buy a Windows 10 key.

Let’s say you want to build a custom PC for gaming. You can buy a Windows 10 software activation key at now and get a free upgrade to Windows 11. Then your gaming rig will zip along with the latest Microsoft operating system and all its improvements.

Once you have Windows 10 installed, you can proceed to upgrade to Windows 11 for free. To do this, you must update your operating system from Windows Update (click on Start > Settings > Update and security > Windows Update). Install all the updates that Windows offers until you see the option to update to Windows 11.

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

What is 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.

Plus, the company sells hardware, network cards, gift cards, PC games, expansion packs and, of course, many different software activation keys.

Sponsored by Mediamz.

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