What does a Homegroup allow users to do?

A Homegroup is a feature primarily found in Windows operating systems that simplifies file and printer sharing within a home network. The correct answer highlights the Homegroup's primary function: allowing users to share documents, music, pictures, and videos seamlessly among devices connected to the same local network.

When a user sets up a Homegroup, they can specify what types of libraries (such as Documents, Music, Pictures, and Videos) they wish to share with other users on the network. This feature promotes an easy and efficient way to collaborate and access media or files without the need for complex configurations, such as manually setting file sharing permissions for each individual file or folder.

The context of the other choices illustrates why they don't fit the Homegroup functionality. Sharing applications across multiple devices typically involves installation and licensing considerations that Homegroups do not address. Connecting devices to a VPN relates to secure remote access rather than local file sharing. Lastly, while managing file permissions for individual users is a crucial aspect of network security and administration, Homegroups focus more on simplifying sharing rather than detailed permission management for individual files or users.