Version 1709 reached end of service (EOS) on April 9, 2019 for Home, Pro, and Pro for Workstations editions (and October 2020 for Enterprise/Education). This means no security updates. Installing it is only recommended for offline or isolated environments.
It was 3:00 AM, and Leo’s laptop was dying.
If you are an IT administrator working within an organization that purchased Volume Licensing, the Visual Studio Subscriptions (formerly MSDN) portal often retains access to older ISOs. This is the only official, legal, and safe method to acquire the files.