How to check Windows Server license expiration date? slmgr.vbs -dli

slmgr.vbs -dli

 

Type command:

    slmgr.vbs -dli

Regular windows trial is valid for 10 days. 
Evaluation license is valid for  180 days.
However to activate this 180 days you need to provide explicit command:

  slmgr.vbs -rearm