# Kaywen

> Software, simplified.


## Posts

- [Windows Server CALs Explained: User vs Device and RDS](https://kaywen.com/windows-server-cals-explained/): A Windows Server licence is only part of the picture. Learn when you need Client Access Licences and Remote Desktop CALs.
- [Retail, OEM and Volume Licences Explained](https://kaywen.com/retail-oem-volume-licences-explained/): Not all licence keys are the same. Learn what Retail, OEM and Volume mean, and which one fits your situation.
- [Office 2024 vs Microsoft 365: One-Time Purchase or Subscription?](https://kaywen.com/office-2024-vs-microsoft-365/): Office 2024 is yours to keep for one PC or Mac. Microsoft 365 is a subscription with cloud storage and the latest apps. Compare them side by side.
- [Windows 11 Home vs Pro: Which Edition Do You Need?](https://kaywen.com/windows-11-home-vs-pro/): Home covers everyday use. Pro adds encryption, remote access and business tools. Here is how to pick the right one.

## Pages

- [Wishlist](https://kaywen.com/my-wishlist/)
- [Microsoft Software Guides & Tutorials](https://kaywen.com/microsoft-software-guides-tutorials/)
- [Cookie Policy](https://kaywen.com/cookie-policy/)
- [Downloads](https://kaywen.com/downloads/)
- [Warranty Policy](https://kaywen.com/warranty-policy/)
- [Terms of Service](https://kaywen.com/terms-of-service/)
- [Shipping Policy](https://kaywen.com/shipping-policy/)
- [Report security issue](https://kaywen.com/report-security-issue/)
- [How to Activate Your Product](https://kaywen.com/how-to-activate-your-product/)
- [Terms & Conditions](https://kaywen.com/terms-conditions/)
- [Billing Policy](https://kaywen.com/billing-policy/)
- [Shop](https://kaywen.com/shop/)
- [My account](https://kaywen.com/my-account/)
- [Checkout](https://kaywen.com/checkout/)
- [Cart](https://kaywen.com/cart/)
- [Privacy Policy](https://kaywen.com/privacy-policy/): [Kaywen legal business name] ("Kaywen") respects your privacy. This policy explains what information we collect on kaywen.com and how we use it.
- [Refund & Returns](https://kaywen.com/refund-returns/): Not active yet: Kaywen is not selling products at this time, so no refunds or returns currently apply.
- [Delivery & Payment](https://kaywen.com/delivery-payment/): Not active yet: No products are currently sold or delivered. This policy describes how delivery will work once Kaywen launches.
- [FAQ](https://kaywen.com/faq/): Not yet. Kaywen is completing its reseller authorization and supply arrangements. Until then, product pages are previews and checkout is disabled.
- [Contact Us](https://kaywen.com/contact-us/): Have a question about a product, a licensing model, or Kaywen's launch? We would be glad to help.
- [About Us](https://kaywen.com/about-us/): We are specialists in digital licenses for all Microsoft products, mainly Windows, and Office — the perfect company for everybody from individual users, small companies to very corporate looking to arm their systems with trusted and high performing software.
- [Compare](https://kaywen.com/compare/)
- [Home](https://kaywen.com/): Home, Pro and Enterprise editions side by side, with single-PC and 5-PC licences. Your key and download link arrive by email.

## Products

- [Windows 11 Home Activation Key – (5PC)](https://kaywen.com/product/windows-11-home-activation-key-5pc/): This product cannot be used to upgrade your system from other version! Works only for Windows, not for Mac!
- [Windows 10 Pro N Activation key](https://kaywen.com/product/windows-10-pro-n-activation-key/): Windows 10 Pro N is a version tailored for European users.
- [Windows 11 Professional Activation Key – (5PC)](https://kaywen.com/product/windows-11-professional-activation-key-5pc/): Windows 11 Professional provides a modern workspace where you can creatively pursue your passions in a new environment.
- [Windows 10 Enterprise LTSC 2021 Activation key](https://kaywen.com/product/windows-10-enterprise-ltsc-2021-activation-key/): Warning! This product cannot be used to upgrade your system from other version!
- [Microsoft SQL Server 2019 Standard – Activation Key (1 User, PC)](https://kaywen.com/product/microsoft-sql-server-2019-standard-activation-key-1-user-pc/): Whether you’re running operations on-premises or in the cloud, SQL Server 2019 is the ideal engine for analytics, OLTP, and hybrid cloud scenarios.
- [Windows Server 2025 Remote Desktop Services – 50 User CALs Certificate](https://kaywen.com/product/windows-server-2025-remote-desktop-services-50-user-cals-certificate/): By purchasing Windows Server 2025 Remote Desktop Services 50 User CALs, you receive a 100% original Microsoft license that can be activated directly on the official Microsoft website.
- [SQL Server 2019 standard License – 15 Users](https://kaywen.com/product/sql-server-2019-standard-license-15-users/): Purchase a 100% genuine Microsoft SQL Server 2019 Standard license from Kaywen and activate it directly on Microsoft’s official site.
- [SQL Server 2016 standard license – 1 USER](https://kaywen.com/product/sql-server-2016-standard-license-1-user/): Get your Microsoft SQL Server 2016 Standard license from Kaywen at a competitive price.
- [Windows Server 2019 Remote Desktop Services – 50 Device CALs Certificate](https://kaywen.com/product/windows-server-2019-remote-desktop-services-50-device-cals-certificate/): The Windows Server 2019 Remote Desktop Services (RDS) Activation Key will be sent via email. Please verify your email and check your spam/junk folder if needed.
- [Windows Server 2025 Datacenter Activation key](https://kaywen.com/product/windows-server-2025-datacenter-activation-key/): Purchase a 100% original Microsoft license for Windows Server 2025 Datacenter, activated directly on Microsoft's official site.
- [Windows Server 2016 Remote Desktop Services – 50 User CALs Certificate](https://kaywen.com/product/windows-server-2016-remote-desktop-services-50-user-cals-certificate/): Windows Server 2016 RDS CAL (Client Access License) is part of Microsoft’s flexible licensing system for Windows Server 2016.
- [Windows Server 2025 Standard Activation Key](https://kaywen.com/product/windows-server-2025-standard-activation-key/): Get a 100% original Microsoft license for Windows Server 2025 Standard, activated on Microsoft's official site.
- [Windows Server 2022 Remote Desktop Services – 50 Device CALs Certificate](https://kaywen.com/product/windows-server-2022-remote-desktop-services-50-device-cals-certificate/): The Windows Server 2022 Remote Desktop Services – 50 Device Activation Key will be delivered via email.
- [Windows Server 2019 Essentials Activation Key](https://kaywen.com/product/windows-server-2019-essentials-activation-key/): By purchasing Windows Server 2019 Essentials, you will receive a 100% original Microsoft license that can be activated directly on the official Microsoft website.
- [Windows Server 2019 Datacenter Activation Key](https://kaywen.com/product/windows-server-2019-datacenter-activation-key/): By purchasing Windows Server 2019 Datacenter you will receive a 100% original Microsoft license that can be activated directly on the official Microsoft website.
- [Windows Server 2019 Remote Desktop Services – 50 User CALs Certificate](https://kaywen.com/product/windows-server-2019-remote-desktop-services-50-user-cals-certificate/): By purchasing Windows Server 2019 Remote Desktop Services – 50 User CALs you will receive a 100% original Microsoft license that can be activated directly on the official Microsoft website.
- [Windows Server 2022 Datacenter Activation key](https://kaywen.com/product/windows-server-2022-datacenter-activation-key/): Get a 100% genuine Microsoft license for Windows Server 2022 Datacenter, instantly delivered via email.
- [SQL Server 2019 standard License – 1 USER](https://kaywen.com/product/sql-server-2019-standard-license-1-user/): By purchasing SQL Server 2019 Standard, you will receive a 100% Original Microsoft SQL Server 2019 Standard License that can be activated directly on the official Microsoft website.
- [Windows Server 2022 Standard Activation Key](https://kaywen.com/product/windows-server-2022-standard-activation-key/): Get a 100% original Microsoft license, activated on the official site. Secure payment, instant email delivery.
- [Visual Studio 2019 Professional Activation Key – (PC)](https://kaywen.com/product/visual-studio-2019-professional-activation-key-pc/): Visual Studio 2019 Professional is an intelligent software development environment that combines the proven features of Visual Studio 2017 with powerful new tools.
- [Project Professional 2024 – (PC)](https://kaywen.com/product/project-professional-2024-pc/): Project Professional 2024 offers an advanced suite of tools designed to enhance project management efficiency and optimize delivery timelines.
- [Visual Studio 2022 Enterprise Activation Key – (PC)](https://kaywen.com/product/visual-studio-2022-enterprise-activation-key-pc/): With the Visual Studio 2022 Enterprise development environment, complex business applications can be made available.
- [Visual Studio 2022 Professional Activation Key – (PC)](https://kaywen.com/product/visual-studio-2022-professional-activation-key-pc/): By purchasing Visual Studio 2022 Professional you will receive an original Microsoft license that can be activated directly on the official Microsoft website.
- [Visio Professional 2021 Activation Key – (PC)](https://kaywen.com/product/visio-professional-2021-activation-key-pc/): 🔹 Visio Professional 2021 – Simplify Complexity with Visual Clarity Visio Professional 2021 empowers individuals and teams to create, collaborate on, and share dynamic diagrams with ease.
- [Visual Studio 2019 Enterprise Activation Key – (PC)](https://kaywen.com/product/visual-studio-2019-enterprise-activation-key-pc/): With the Visual Studio 2019 Enterprise development environment, complex business applications can be made available.
- [Visio Professional 2024 – (PC)](https://kaywen.com/product/visio-professional-2024-pc/): Visio Professional 2024 is the ultimate tool for individuals and teams to create, share, and manage detailed diagrams that make complex information easy to understand.
- [Project 2019 Professional Activation Key – (PC)](https://kaywen.com/product/project-2019-professional-activation-key-pc/): Microsoft Project 2019 Professional includes cutting-edge tools that will help your whole team work better together.
- [Project Professional 2021 Activation Key – (PC)](https://kaywen.com/product/project-professional-2021-activation-key-pc/): Project Professional 2021 offers a comprehensive suite of tools to enhance project management efficiency and streamline delivery timelines.
- [Office Home and Business 2024 For PC/MAC](https://kaywen.com/product/office-home-and-business-2024-for-pc-mac/): Get a genuine Microsoft license, activated through your Microsoft account.
- [Office 2016 Professional Plus Activation Key – 5 PC](https://kaywen.com/product/office-2016-professional-plus-activation-key-5-pc/): Buy Office 2016 Professional Plus and receive a 100% original Microsoft license, instantly delivered via email.
- [Office 2019 Home and Business For MAC Activation key](https://kaywen.com/product/office-2019-home-and-business-for-mac-activation-key/): Receive a genuine Microsoft Office 2019 Home and Business license, directly activated via your Microsoft account.
- [Office 2021 Professional Plus Activation Key – 5 PC](https://kaywen.com/product/office-2021-professional-plus-activation-key-5-pc/): Get an original Microsoft license for Office 2021 Professional Plus. Activate it at setup.office.com before downloading.
- [Office 2019 Professional Plus Activation key – 5 PC](https://kaywen.com/product/office-2019-professional-plus-activation-key-5-pc/): Get an original Microsoft Office 2019 Professional Plus license for 5 PCs (32/64-bit).
- [Office 2021 Home and Business Activation key For MAC](https://kaywen.com/product/office-2021-home-and-business-activation-key-for-mac/): Purchase an original Microsoft license activated through your Microsoft account at setup.office.com.
- [Office 2016 Professional Plus Activation key – (PC)](https://kaywen.com/product/office-2016-professional-plus-activation-key-pc/): Purchase a genuine Microsoft license for Office 2016 Professional Plus that activates directly on the official Microsoft website.
- [Microsoft 365 Professional Plus Account 5 Devices – 1 Year subscription](https://kaywen.com/product/microsoft-365-professional-plus-account-5-devices-1-year-subscription/): ATTENTION: This is a Microsoft 365 account, not an activation key. Please read the description and FAQ before purchase.
- [Office 2021 Professional Plus Activation Key – (PC)](https://kaywen.com/product/office-2021-professional-plus-activation-key-pc/): Purchase Office 2021 Professional Plus 32/64 Bit and receive an original Microsoft license activated directly on the official Microsoft website.
- [Office 2019 Professional Plus Activation key – (PC)](https://kaywen.com/product/office-2019-professional-plus-activation-key-pc/): By purchasing Office 2019 Professional Plus 32/64 Bit, you receive an original Microsoft license activated directly on the official Microsoft website.
- [Windows 10 Home Activation key – (5PC)](https://kaywen.com/product/windows-10-home-activation-key-5pc/): This product cannot be used to upgrade your system from other versions! Note: This key works only for Windows, not for Mac!
- [Windows 10 Enterprise LTSC 2019 Activation key](https://kaywen.com/product/windows-10-enterprise-ltsc-2019-activation-key/): This product cannot be used to upgrade your system from other versions!
- [Windows 10 Professional Activation key – (5PC)](https://kaywen.com/product/windows-10-professional-activation-key-5pc/): This product cannot be used to upgrade your system from other versions! If you encounter any issues during activation, please contact us.
- [Windows 8.1 Professional Activation Key](https://kaywen.com/product/windows-8-1-professional-activation-key/): Warning! This product cannot be used to upgrade your system from other version! If you encounter any issues during activation, please contact us.
- [Windows 10 Enterprise Activation key](https://kaywen.com/product/windows-10-enterprise-activation-key/): This product cannot be used to upgrade your system from other versions!
- [Windows 10 Professional Activation key](https://kaywen.com/product/windows-10-professional-activation-key/): This product cannot be used to upgrade your system from other version!


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