Have you lost your original Windows Vista DVD or need Windows Vista on a flash drive and figure downloading it as an ISO image is the way to go? For ordinary home hobbyists, we recommend using Windows 10 or trying one of the many Linux distributions with a Vista-like look-and-feel. Lifewire retains this information as reference for tech experts and info-sec professionals who have legitimate, even if rare, needs to test something with Vista. Mainstream support ended in 2012 and extended support (i.e., critical flaw patches and security updates) ended in 2017.
Windows Vista is a very old Microsoft operating system. Downloading Windows Vista: Your Options Explained
