In older versions like Visual Studio 2015, Microsoft provided direct links to ISO files containing the entire installation package. Starting with Visual Studio 2017, the architecture shifted to a workload-based system. Because the total size of all workloads combined exceeds 40 GB, a single monolithic ISO is inefficient for most developers.
Go to the official Visual Studio 2017 download page (or your Visual Studio Subscription portal). The filenames differ by edition: visual studio 2017 offline installer iso
visualstudio.microsoft.com/vs/older-downloads/ In older versions like Visual Studio 2015, Microsoft