The offline installation process may take some time, depending on the edition and components you're installing.
Creating a Visual Studio offline installer is a bit more technical than a standard "Next, Next, Finish" installation, but it is a lifesaver for enterprise deployments or developing in restricted environments. how to install visual studio offline
Once you hit Enter, a command window will appear showing the progress. This will take a while (30 minutes to a few hours) depending on your internet speed and how many components you selected. Once it finishes, the command window will return to the prompt. The offline installation process may take some time,