There are two different preset downloads. One contains 3 XML files (the new download in the table with the Groove3 coupon), the other contains one XML file and a directory of IRs (last months download in the table with your purchases). The XML files are presets, the video above covers install them. The steps are
1) Click Search button
2) Click "User Presets" radio button
3) Right-click on an empty bank
4) Choose "Import Bank" from menu and select an XML file to load
5) Click Close button
Importing IRs
1) Load the IR cabinet module into TH2
2) Double-Click on the IR Cabinet module
3) Click "Import IR"
4) Create a new group (Optional but a good idea to keep separate from factory files)
5) Locate and import IR wav
Repeat import for each IR placing them in the group created in #4.