CCProxy is a popular Windows-based proxy server software designed to share internet connections within a LAN. The free version allows up to 3 users, while paid versions support more, with no time limitations for the free version on personal use.
Click 'Account' to configure how users connect—either anonymously or with usernames/passwords. CCProxy Free Download
If your browser cannot connect, check Windows Defender Firewall and ensure CCProxy is allowed to connect through both private and public networks. Windows Proxy Server Download - Youngzsoft CCProxy is a popular Windows-based proxy server software