FAQ about Windows Server Key
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:
https://techlibrary.hpe.com/us/en/enterprise/servers/licensing/index.aspx
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.
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.