There is a way, however, to retain access to Microsoft Office Professional Plus 2016 using a product key purchased for a very low price. Once you have purchased and are content, you can determine ...

Read the complete post to know the difference between these keys. Types of Microsoft Product Keys Following are the types of Microsoft Product keys: CUS MAK KMS VL 1 RTL STA OEM AAA AAL AAM AV1 AV2.