If you need something slightly more robust but still lightweight, the Open DHCP Server is an excellent open-source alternative.
Setting up a tiny DHCP server typically follows these steps: Download - DHCP Server for Windows tiny dhcp server windows download
There are several lightweight tools that fit the "tiny" criteria, each offering different levels of complexity and features. 1. DHCP Server for Windows (by dhcpserver.de) If you need something slightly more robust but
Widely considered the gold standard for portable DHCP on Windows, this tool is extremely small (around 100-500 KB) and requires no installation. tiny dhcp server windows download
This is a dedicated freeware tool designed specifically for Windows users who want a straightforward interface with minimal fuss.