If you downloaded an installer from the Old Versions page you probably noticed the FTP URL. Navigating to that location (via Web Browser) provides the same content, but with additional versions and an upgrade utility.
Extract Prerequisites and .MSI from Snagit.exe
The .MSI installer and prerequisites can be extracted directly from Snagit.exe. The perquisites can then be provides flexibility by being interchangeable with a deployment solution.
Launch Command Line in a directory containing Snagit.exe
The following command will display a Selection Box relating to the extractable contents.
In my opinion, Microsoft Orca is an essential utility for anyone administrating the client experience. This free utility can open Windows Installer databases, which provides more control over application deployments for an administrator. If you are looking for a free utility for finding installation properties and feature customization, Orca might just be it.
“Orca is a Windows Installer package editor provided as part of the Windows Installer SDK and designed to provide full access to the database tables that compose a Windows Installer package.”
Windows Installer SDK Orca Documentation
This guide walks through the basic steps of obtaining the Orca installer from the Windows 10 SDK. From my understanding, this is the only way to officially obtain this installer. If you have any information contradicting this, please let me know!