LogMeIn Hamachi is a virtual private network (VPN) service that creates a virtual LAN (VLAN) over the internet. This allows users to connect multiple computers together, even if they[SQ]re geographically separated and behind different NATs (Network Address Translation), as if they were on the same local network.

Essentially, it lets you :

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Connect to other computers remotely:

Access files, applications, and resources on other computers in your network as if they were right next to you.
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Create a secure network:

Hamachi encrypts the communication between connected computers, making it safer to share data over the internet compared to an unsecured network.
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Play online games:

Many games require a direct connection to other players. Hamachi facilitates this connection even if the players are behind firewalls or have different public IP addresses.
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Share resources:

Easily share printers, files, and other resources between computers in the network.

While it[SQ]s useful, it[SQ]s important to note that Hamachi isn[SQ]t a full-fledged VPN like those used for general internet privacy. Its primary focus is on creating private networks between specific computers, rather than anonymizing all your online traffic. More robust VPN services are better suited for general privacy and security needs.