Had to do this back in 2018, because I worked with a client with no direct internet access on it's DEV/build machines (and even when there was connectivity it was over traditional slow/low-latency satellite connections), so part of the process was also to build an offline install package.
You can then build a script/documentation that isolates your specific requirements and workloads:
https://learn.microsoft.com/en-us/visualstudio/install/use-c...
Had to do this back in 2018, because I worked with a client with no direct internet access on it's DEV/build machines (and even when there was connectivity it was over traditional slow/low-latency satellite connections), so part of the process was also to build an offline install package.