How to install a Hamachi gateway PC

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What are the steps for installing the gateway PC?  The only way I've seen is to add a PC as a client, then delete the client, then readd as the gateway.   But when it is done in this order, the gateway PC does not take on an IP address from its subnet.  It has an 5.x.x.x IP address.
Solution
Got it working by installing the client connection first and have it sitting unassigned, then create the network.  Creating the network first, then assigning the gateway does not work.  Also since I'm installing on a VM, had to turn on the "Promiscuous Mode" on my VMWare virtual switch.
If you have already created the network, then you want to click edit to the right of the Network Name, then choose add/remove members.  You can specify members AND the gateway at the same time.
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