Need a Windows SDK for LI4278.

Am trying to download a Windows SDK for LI4278 from link

LI4278 - Zebra Technologies Enterprise Support USA


But it says:


The page you are trying to reach is no longer at this location or the system is temporarily inaccessible. Please check the URL entered or try again later to locate your desired page.

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So where can I get the SDK. And its urgent.!!