The Photomatix Pro Plus bundle is composed of the standalone Photomatix Pro, the HDR Batch Plugin for Lightroom and the Tone Mapping Plugin for Photoshop.
HDR works best with exposure bracketed photos. Check the Automatic Exposure Bracketing Setup page for videos on setting AEB on various camera models.
If you haven't taken bracketed photos yet, you can download some on the exposure bracketed photos samples page.
HDR Batch plugin for Lightroom
The installer will install the HDR Batch Plugin, if Lightroom 6 or Lightroom Classic CC is installed on your computer.
To use the HDR Batch Plugin:
Note: If your bracketed sets all have the same number of exposures, it isn't necessary to group the brackets into Stacks. Instead just select all of the photos (then on the plugin's window, you'll choose the 2nd option in the Input section).
(Alternatively, choose File > Plug-in Extras > Photomatix Batch > Batch with Photomatix HDR)
Tone Mapping plugin for Photoshop
The installer will install the Tone Mapping plugin, if Photoshop CS or Photoshop CC is installed on your computer.
To use the Tone Mapping Plugin:
If you merge to HDR, make sure to do the following after merging:
Set the Mode combo-box to 32 Bit
Leave the Complete Toning in Adobe Camera Raw box unchecked