1. Download the Office Deployment Tool

1. Go to: Microsoft ODT Download
2. Run the ODT executable and extract files to C:\ODT.
   👉 Tip: Use a short path like C:\ODT to avoid issues with long file names.

2. Create the Configuration File

Save the following as configuration.xml in C:\ODT:

<Configuration>
  <Add OfficeClientEdition="64">
    <Product ID="VisioPro2021Retail">
      <Language ID="en-us" />
    </Product>
  </Add>
  <Updates Enabled="TRUE" />
  <Display Level="Full" AcceptEULA="TRUE" />
</Configuration>

Change OfficeClientEdition to 32 if needed.

3. Run ODT Commands

1. Open Command Prompt as Administrator.
2. Navigate to the ODT folder:

cd /d C:\ODT

3. Install using your configuration:

setup.exe /configure configuration.xml

4. Verify & Activate

1. Launch Visio 2021 Professional to confirm it opens correctly.
2. Activate with your product key.