Windows Server & CAL's

Sort by sort-descending
User CAL for Windows Server 2016 Remote Desktop Services (RDS)
As low as $99.99
Device CAL for Windows Server 2016 Remote Desktop Services (RDS)
As low as $99.99
Device CAL for Windows Server 2019 Remote Desktop Services (RDS)
As low as $99.99
User CAL for Windows Server 2019 Remote Desktop Services (RDS)
As low as $99.99
Windows Server 2016 Standard
Windows Server 2016 Datacenter
Windows Server 2016 Essentials
Windows Server 2019 Standard
Windows Server 2019 Datacenter
Windows Server 2019 Essentials
Microsoft SQL Server 2019 Standard
Device CAL for Windows Server 2022 Remote Desktop Services (RDS)
As low as $149.99
Windows Server 2025 Standard

Out of stock

Windows Server 2025 Datacenter

Out of stock

User CAL for Windows Server 2022 Remote Desktop Services (RDS)
As low as $149.99
Windows Server 2022 Standard
Windows Server 2022 Datacenter

Windows Server Keys: Ensuring Business Continuity

When a company's entire operation hinges on the stable functioning of servers, disruptions, downtime, and especially hacker attacks due to illegal software are unacceptable. Jeopardizing the business for the sake of saving on software leads nowhere. It is much wiser to secure the infrastructure with legitimate keys for Microsoft Windows Server.

According to statistics, 93% of serious incidents in organizations are related to the use of illegal software. The absence of critical updates from the manufacturer makes even the most secure perimeter vulnerable to hacking.

Brytesoft offers a reliable and cost-effective solution to this problem: Windows Server licenses from trusted suppliers. Additionally, on the website, you can find complementary solutions for the most stable operation of your IT infrastructure.

Advantages of Using Legal Activation Keys for Windows Server

Windows Server is valued by corporate customers for its high reliability and operational stability. Thanks to its fault-tolerant architecture and clustering technologies, Windows Server virtually eliminates service disruptions and data loss. Furthermore, Microsoft's operating system scales according to business needs, supporting both small offices and cloud environments with thousands of virtual machines. Flexible management tools (Active Directory, PowerShell, and MMC) simplify administration even for large infrastructures.

Software keys are unique codes that legally activate Microsoft software, including Windows Server. Their use entitles you to free updates and technical support. Additionally, using illegal software poses security risks due to the absence of critical updates that close vulnerabilities in the system. Using a Windows Server key is crucial for the reliability of the infrastructure.

Types of Keys for Windows Server

Currently, keys are available for:

  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016

They only work for specific OS versions and are not interchangeable. There are also variations in key types:

  1. Windows Server Standard: Basic set of features, up to 2 virtual machines.
  2. Windows Server Datacenter: Extended capabilities, unlimited virtual machines.
  3. Windows Server Essentials: For small companies, up to 25 users and 50 devices.

When choosing a version, consider current infrastructure needs with future planning:

  1. Infrastructure scale and expansion plans.
  2. Virtualization needs.
  3. System fault tolerance requirements.
  4. Support for containerization.

Consider Microsoft's licensing policy as well. Essentials are certified based on SAL (user client keys) or for the entire enterprise. Standard and Datacenter versions are licensed based on the number of physical cores on servers, requiring additional keys, such as Windows Server CAL, for virtualization.

Where to Buy Activation Keys

Officially, Microsoft sells Windows Server keys on its website and through its partner network. However, prices there are often inflated. A more cost-effective option is to purchase Windows Server activation keys from specialized resources. It's crucial to buy keys from trusted stores that control the legitimacy of supplies.

Brytesoft’s online store works only with reliable suppliers, guaranteeing the functionality of keys and purchase support. Prices are up to 70% lower than official ones. Additionally, you can buy Windows Server CAL and other Microsoft products at favorable prices on the website.

When purchasing from Brytesoft, customers receive the OEM product key for Windows Server. OEM offer a compelling advantage — they are significantly more affordable compared to retail versions. The trade-off is that an OEM product key is tied to the specific device on which it is initially activated and cannot be transferred to another system. However, you can reinstall the OS multiple times on that original device. For many organizations, the cost savings of choosing an OEM key outweigh this limitation.

How to Activate a Windows Server Key

The process of activating a Windows Server key involves several steps:

  1. Download the ISO file for the required version of Windows Server from the official Microsoft website.
  2. Create bootable installation media using the ISO file. This can be done by burning the ISO to a DVD or creating a bootable USB drive.
  3. Boot your server from the installation media you created in step 2.
  4. Follow the on-screen prompts to install Windows Server. This includes setting your preferences and choosing the location where you want to install the operating system.
  5. The activation method varies depending on the specific Windows Server product. Please refer to the detailed download and activation instructions provided on our website at to ensure you follow the correct steps for your product.

It's important to carefully follow the appropriate activation procedure to ensure your Windows Server installation is properly licensed and fully functional. If you encounter any issues or have questions during the process, don't hesitate to reach out to our support team for assistance.

FAQ about Windows Server Key

How is Windows Server licensed?

The Windows Server Core Licensing Model is based on the number of CPU cores in the server. It requires a minimum of 16 core licenses per server and 8 core licenses per processor. This rule applies to all our Windows Server Standard and Datacenter products (not Essentials). Each product key includes an activation for 16 cores. If activating more cores is necessary, additional product keys must be purchased.

Many people use the Windows Server Core Licensing Calculator by Hewlett Packard Enterprise. It is very easy to use:

How much does Windows Server cost?

The cost of Windows Server on the Brytesoft website varies depending on the version. The minimum price for Windows Server Essentials 2016 is $219.99, while Windows Server 2022 Datacenter is available for $1,579.

Do Windows Server keys expire?

No, keys for Windows Server purchased with a one-time payment are perpetual; they do not expire with server assignment. However, to receive updates and technical support, an active Software Assurance (SA) agreement is required. SA is typically purchased for 1–3 years. After the agreement expires, updates cease, but the server continues to operate on the current version. It is recommended to renew SA for access to new features, vulnerability fixes, and support.