This is the primary legitimate way to get older versions. If you have an active Visual Studio Subscription , you can log in to the subscriber portal to download the ISO and product keys for legacy editions like 2013.

Description of Visual Studio 2013 Update 4 - Microsoft Support

Buying today is a journey through software history, as the product has officially reached the end of its lifecycle. As of April 9, 2024 , support for all editions and associated runtimes has ended, meaning it no longer receives security updates from Microsoft. How to Acquire It Today