This Christmas software activation key sale post is presented by CdkeySales.com.

Just as with previous sales events, Cult of Mac readers can grab special discounts on the already-low-priced software activation keys available at CdkeySales.com. Now it’s time for the Christmas Sale, featuring deals up to 35% off regular prices.

Cdkeysales.com Christmas Sale: Windows 10 Pro OEM keys and more

Cult of Mac readers can score the 35% discount just by entering the discount code CULT at checkout. Check the list below for a selection of great deals on operating system and productivity software activation keys. Each item shows the low prices available with the discount.

Use 35% discount code CULT at CdkeySales.com:

• Genuine Lifetime Microsoft Windows 10 Pro OEM CD Key Global: $15.10 (35% off code CULT)
• Genuine Lifetime Microsoft Windows 11 Pro OEM CD Key Global: $20.36 (35% off code CULT)
• Genuine Lifetime Microsoft Windows 10 Home OEM Global CD Key: $12.36 (35% off code CULT)
• Genuine Lifetime Office 2016 Professional Plus CD Key Global: $25.45 (35% off code CULT)
• Genuine Lifetime Office 2019 Professional Plus CD Key Global: $40.98 (35% off code CULT)
• Genuine Lifetime Office 2021 Professional Plus CD Key Global: $45.64 (35% off code CULT)
• Genuine Lifetime Windows10 Pro + Office 2016 Professional Plus CD Keys Pack: $36.09 (35% off code CULT)
• Genuine Lifetime Windows10 PRO OEM + Office 2019 Professional Plus CD Keys Pack: $56.98 (35% off code CULT)

Why bother updating Microsoft software?

Is it really important to get the latest, greatest Microsoft operating systems and productivity software? Granted, with prices like these, it probably seems like a no-brainer.

But the short answer is: absolutely yes.

There are plenty of extremely good reasons to keep your Microsoft software up-to-date. For starters, most software gets better over time. Running the latest version of an operating system, and using the latest iterations of productivity software, ensures you can access all the hot new features. That typically means upgraded functionality and boosted productivity.

In addition, newer versions of software typically prove more secure. The patches and security upgrades that developers incorporate into their latest offerings eliminate vulnerabilities present in older versions.

Also, when you put off updating software, you’re almost certain to run into problems eventually. Potential compatibility conflicts aside, Microsoft eventually quits supporting older versions of its software. If you own newer versions, you won’t have to worry about losing access to tech support when a problem comes up. That’s much more pleasant than having to upgrade in the middle of a crisis.

Your purchase: Read the fine print

Keep in mind that CdkeySales.com’s licenses are not transferable. The software keys work for a single activation on a single computer, except where two PCs are noted. If you move to a different computer in less than a year, you must buy another license in order to continue using the software.

Considering the deep discounts you can currently get off CdkeySales’ already low prices, the restrictions above probably don’t seem like a big deal.

To get your 35% off discount, shop at CdkeySales.com and enter the discount code CULT at checkout.