1. Create the new folder (or use already existing) on which you want to install XSMP Lab scenes.
The directory (e.g. "scenesX5") can be on any place of a local drive of your computer.

2. Download archive(-s) Scenes-*-v-*.rar and unpack to the created folder.

3. In the XSMP settings, specify the path to the directory containing the scenes.
Settings > LAB > LAB Scenes Location