Connecting a laptop to a desktop computer allows you to share files, peripherals, and even an internet connection between the two devices. This can be useful for a variety of tasks, such as transferring large files, using a laptop as a second monitor, or accessing files from a desktop computer while on the go.
There are several different ways to connect a laptop to a desktop computer, including using a wired connection, a wireless connection, or a docking station. The best method for you will depend on your specific needs and the equipment you have available.