Or go to https://gallery.technet.microsoft.com/scriptcenter/PowerShell-System-571521d1
And download a more advanced ps1 from MS
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Yep, DHCP isn't there.
I didn't check the details section at the RSAT download site but it's there:
DHCP Tools. Dhcpmgmt.msc is not available in this release of RSAT, but equivalent Windows PowerShell cmdlets are available.
If you are not into powershelling it, then it's Reddit to the rescue: