"Visual Studio 2010 Tools for Office Runtime is not installed" error prevents installation

Symptoms

When you try to install Office Timeline, you get an error message that says, "The Visual Studio 2010 Tools for Office Runtime is not installed. Do you want to download it now?"

Pressing Yes either does nothing or leads you to a Microsoft download page that does not exist.

Solution

1. Download and install VSTO Runtime Version 10.0.60910 from https://www.microsoft.com/en-us/download/details.aspx?id=105522 
   Note: In most corporate environments, user accounts are typically restricted from installing some applications. You may need administrative rights or assistance from your IT department in order to install this successfully.
   
2. After you have installed VSTO, install Office Timeline.

Background

Visual Studio 2010 Tools for Office Runtime is a component developed by Microsoft that is required to run Microsoft Office based solutions and add-ins. In order for Office Timeline to work, VSTO must be installed.