For IT administrators, enterprise environments, or advanced users who need an offline installer ISO, the Office Deployment Tool (ODT) offers a command-line method to download Visio 2021 directly from Microsoft's Content Delivery Network (CDN).
: Open the downloaded OfficeSetup.exe file and follow the prompts to complete the installation. Blog Post: Getting Started with Visio 2021 Desktop download 2021 microsoft visio desktop app