Microsoft provides two primary official methods for obtaining the offline installation files.

: Use the Office Customization Tool to select "Visio Professional 2019" and "64-bit".

: Get the Office Deployment Tool from the official Microsoft Download Center.

Before installing, ensure your hardware meets the standard for : Visual Studio 2019 System Requirements | Microsoft Learn

: Open the "Office" folder within that virtual drive and double-click Setup64.exe . Method 2: Using the Office Deployment Tool (ODT)

This is the "pro" method used by IT admins to create a custom offline source.

: Open Command Prompt in your ODT folder and run: setup.exe /download configuration.xml This will download the full 2GB+ offline source to your local folder. Key System Requirements (64-bit)