Announced by Microsoft back in March 12, on January 14, 2020, Windows 7 and Windows Server 2008/2008 R2 has gone out of support. One must install Year 2 ESU MAK Key to continue to receive security updates for your Windows 7/Windows Server 2008/2008 R2.
If you have not yet updated to a modern operating system and still want security patches, you will need to sign up for these through the Extended Security Updates (ESUs) program. This blog will not provide you the ESU MAK Key.
In this blog post, I cover the prerequisite and how to deploy and activate Year 2 ESU license for your Windows 7/Windows Server 2008/2008 R2 on both internet connected computers and air-gaped computers. Note, the assumption is you already obtained and purchased the Year 2 ESU MAK Key. Important note, if you haven’t purchased Year 1 ESU, you must do so before being able to purchase Year 2 ESU.
Prerequisite For Deploying ESU
How To Install And Activate The Windows 7 Extended Security Update Year 2 MAK Key On Internet Connected Computers
cscript c:\windows\system32\slmgr.vbs /ipk <MAK Key>
cscript slmgr.vbs /dlv
*Note, take note of the Activation ID which should also be listed in the above chart.cscript c:\windows\system32\slmgr.vbs /ato <Activation ID>
slmgr.vbs /dli
hit enter (You should now see ESU status is Licensed)

How To Install And Activate The Windows 7 Extended Security Update Year 2 MAK Key On Air-Gapped Computers
slmgr.vbs /ipk <MAK Key>
cscript slmgr.vbs /dlv
*Note, take note of the Activation and Installation ID (Do not close this command prompt window)- Call MS: 1-888-725-1047 and provide the Installation ID. MS will provide you with the Confirmation ID: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, write it down
slmgr.vbs /atp <ConfirmationID> space <ActivationID>
slmgr.vbs /dli
hit enter (You should now see ESU status is Licensed)

Conclusion
It is important to ensure your organization has a strategy in place for Windows 7 and Server 2008/2008 R2 upgrade. In the meantime its highly recommended you obtain a ESU license to ensure your operating system is kept protected. Is your organization purchasing ESUs license? How are you handling the Windows 7/Server 2008 and or Server 2008 R2 end of support? Please leave a comment below!