There are some really useful handouts on Get Licensing Ready. To make it easier for you to find these quickly, without the need to visit each module on the GLR site, we have put them all together in one place. If you are not familiar with Get Licensing Ready, then why not take a look and perhaps work towards a licensing certification.
Exchange
Project Server
SharePoint
Skype for Business
Skype for Business Server 2019 v20.40
Skype for Business 2015 v18.205
Lync
SQL
System Center
Windows Server
Licensing Windows Server 2019 on-premises v20.40
Cloud licensing – products
Licensing Microsoft servers in the cloud v20.40
Licensing Microsoft 365 – the modern workplace v20.40
Licensing SQL Server in Azure PaaS solutions v21.10
Licensing SQL Server in Azure IaaS solutions v20.40
Licensing Windows Server in Azure v20.40
Cloud licensing – programs
Licensing Azure services in the EA and SCE v21.10
Buying Azure through Open and Open Value agreements v20.40
Licensing Online Services in the Enterprise Agreement v20.40