Please follow this tutorial to download, install, and activate Visio 2021.

1: Download the program from the following official link: https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/VisioPro2021Retail.img

2: Navigate to the downloads folder and right-click on "Mount"

After clicking on "mount," a virtual "CD" will be added to the Windows Explorer. You must 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, select "Setup64."

As shown in the following image:

Once you open the installer, it will begin installing 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 a Product Key for Office" box, you should enter the license we sent you by email.

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