Please follow this tutorial to download, install, and activate Visio 2019.

1: Download the program from the following official link: https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/VisioPro2019Retail.img

2: Navigate to the download folder and right-click on “Mount”

After clicking on mount, a virtual "CD" will be added in Windows Explorer. You should go to "This PC" and click on the "DVD Drive" with the Office logo to open the folder where the installer is located.

Once inside that "DVD Drive," you should open the "Office" folder and launch the "Setup64" or "Setup32" program.

If you have a 64-bit system, select "Setup64."
If you have a 32-bit system, select "Setup32."
If you are unsure, choose "Setup64."

As shown in the following image:

Once you open the installer, it will begin to install Office on your PC.

The installation of the program can take anywhere from a few minutes to over an hour, depending on the speed of your hard drive.

Once installed, you must open the Visio program to activate it. When you open any Office program for the first time, you will see the following message:

In the "Enter an Office product key" box, you should enter the license that we sent you by email.

Type or copy the license and then click the “Activate Office” button, which will appear once you have entered the license.