Microsoft OEM : OEM products are intended to be pre-installed on hardware before the end user purchases the product. OEM licensing is cheaper than Full Pack but needs to be installed during new purchase.

Small and Medium Business

Full Pack : Microsoft full packaged products (FPP) are suitable for  organisations with less number of desktop PCs. The licence itself, called an End User Licence Agreement (EULA) is a printed document that is found in the box with the software discs and a manual

Corporate

Volume Paper Licensing : Microsoft Volume Licensing is done by supplying a Paper Liscence to the organizations that need multiple Microsoft product licenses, but do not need multiple copies of the software media and the documentation that comes with the software. Microsoft Volume Licensing typically offers organizations lower pricing.