AcroPro.msi is the core installer for Adobe Acrobat Pro on Windows. Unlike a standard consumer "exe" download, an MSI file is typically used by IT administrators for "silent" deployments across many computers at once. The Story of a Deployment
If you cannot access the Admin Console or do not have an enterprise license, consider these options: download acropro.msi
If you're looking for alternatives to Acropro.msi, consider the following: AcroPro