What Is The Difference Between OEM, Retail, MSDN, And Volume Licenses?
Licenses can be obtained in four ways: retail, OEM, MSDN, and Volume Licensing. Though they may sound similar, they are not the same; the usage rights associated with them differ
Install Office 2021 Professional Plus / Standard (LTSC)
Note: if you have purchased a Business License, the installation process is slightly different than what most people are used to. These licenses are not activated in a Microsoft account,