Upgrade to Windows 11 Professional - Product Key

Upgrade to Windows 11, the latest version of the popular Microsoft OS, and enjoy all the new features. Secure payments with a full money-back warranty, and immediate delivery via e-mail. And our English-speaking customer service is 100% free!

Upgrade to Windows 11

Upgrade to Windows 11 by purchasing your 100% genuine license from Mr Key Shop at a very good price. You’ll also get free, ENGLISH-SPEAKING technical support. Our team of experts will guide you through the upgrade process if you need it. Get your latest version of Microsoft OS now and enjoy all its benefits! Upgrading to Windows 11, you’ll get a new, revamped UI.

Windows 11 Pro features:

• Modern interface, to manage disks and partitions from the Settings page
• A new desktop, with a brand new Start menu
• Faster boot speed than Windows 10
• Dev. and creator-specific features, for monetization
• The system is optimized for Xbox Game Pass
• Compatibility with all the current software, such as antiviruses and Microsoft Office 2019 and Office 365 suites

Upgrading to Windows 11, you will enjoy a more powerful, service-focused operating system that will optimize your user experience without sacrificing security and new features. We always recommend installing an Antivirus for Windows 11 to protect your device. Make a backup before upgrading to Windows 11 to protect important data and ensure business continuity in case of any problems during the upgrade process. Using a backup software for Windows 11 allows you to restore your system in case of problems during the upgrade, such as malfunctions or errors, thus avoiding data loss or the need for a complete reinstallation of the operating system.

Upgrading Windows 11 Home to Pro with Mr Key Shop is the way, here’s why!

If you have decided to upgrade Windows 11 Home to Pro, or upgrade from Windows 10 to 11, Mr Key Shop allows you to purchase an upgrade license at a very affordable price and with a money back guarantee. Digital delivery is one of our core values, allowing us to provide you with premium products, at competitive prices, with fast and professional service. You can upgrade Windows 11 immediately after your purchase, thanks to clear and simple instructions guiding you throughout the upgrade process. In case of issues, you can always count on our free, English-speaking customer service, always at your disposal!

Upgrading Windows 11 is a green choice with Mr Key Shop

Upgrading Windows 11 on Mr Key Shop, you’ll benefit from our professional, authorized, and express service, saving on your license price; plus, you’ll contribute to saving our planet! As a company, we believe in sustainability. This is why we adopted the digital business model: we send you our products via e-mail, reducing pollutants and waste generated by the physical goods transport system. Let’s save the world, one product key at a time! 

After I buy Windows 11 Upgrade Key, what will happen to my license?

Your Windows 11 Upgrade Key  will always be at your disposal because it’s perpetual: once you upgrade your Windows OS, you’ll have a 100% genuine and activated product. Your license is bound to your account, therefore you can enjoy your newly upgraded Windows 11 operating system even if you need to format or replace your machine, with no extra costs!

I’ve just decided to upgrade to Windows 11 with Mr Keyshop. What now?

Complete your secure transaction with safe payment methods. Once your order is complete, you’ll get an email with everything you need to upgrade to Windows 11:

• Your upgrade license for Windows 11 (1 user)
• Clear and easy instructions on how to upgrade your system to Windows 11 (including any download links, if needed)
• 100% free, English-speaking customer service
• Invoice

Are you a reseller?

If you’re a reseller, don't miss the opportunity to become a member of our MKreseller program. We have set up a unique path that will help you grow your business and satisfy your customer base. Visit the official MKreseller program page now or mail us at [email protected]  and we’ll send you a tailor-made price list. Let’s work together!

Upgrade to Windows 11: Operating System is compatible with Office 2021

Upgrading to Windows 11 is the right opportunity to try the latest Microsoft Office Package. Windows 11 Professional is compatible with Office 2021.
Also available on the store: Office 2019 - Office 2016 - Office 2013 - Office 2010 - Microsoft Office for MAC - Microsoft 365

Find more Products in Mr Key Shop's Catalog

Windows Operating Systems: Windows 11 - Windows 10 - Windows 8 - Windows 7
Antivirus: Kaspersky - ESET - McAfee - Avast - Bitdefender - Norton
VPN: VPN for PC - VPN for Mac - VPN for Mobile - Avast VPN - HMA VPN
Microsoft Server: Windows Server - Windows Server CAL - Windows Server RDS CAL - Microsoft SQL Server
Backup and Recovery Software: AOMEI - EaseUS

Windows 11 System Requirements