How to activate a Microsoft Visio key?

Redeeming a Microsoft Visio key is really simple, just follow these steps:

Go to this site: LINK
Sign in or register new Microsoft Account and redeem your key.
Go to this site: LINK
Sign in with the same Microsoft Account as in section 2.
Select Install Office.
Select Services and subscriptions.
Find the version of Visio you want to install and select Install.

2021 - LINK (download the software first and then use the key in app)

Option 2

1. Get Installation ID

Open Word, wait for the Activation Wizard pop-up box to appear, then select the second option which says "I want to activate the software by telephone", and select Next.

If Activation Wizard windows doesn't automatically appear, then open Word, on the "Home" screen go to "Account" section on bottom left, then select "Activate Product" on the red banner on center page under Product Information.
Write down the Installation ID.

2. Open Microsoft Activation Portal

Go to https://aka.ms/aoh
Sign in with your Microsoft account

3. Generate Confirmation ID

Enter the Installation ID on the portal
Copy the Confirmation ID provided

4. Complete Activation

Return to the original PC
Enter the Confirmation ID to finish activation.

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions: