Hamachi is a free software application designed for creating virtual local networks, allowing users to connect multiple computers over the internet as if they were on the same local network. It simplifies the process of establishing long-distance connections by eliminating the need for complex firewall configurations. Using a secure peer-to-peer network structure, Hamachi enables users to share files, play games, and collaborate seamlessly across distances.

Upon creating an account, users receive a virtual IP address, which serves as their identifier for future connections. The free version allows up to five users to connect in a single virtual room, and there is no limit on the number of rooms one can join simultaneously. Additionally, Hamachi features an instant messaging service for communication and a beginner-friendly tutorial to guide new users through the setup process.