For video assembly directions specific to the water slide, please reference the below link starting at minute 4:13-> 4:53:
Video Link

Step 1: Open the top of the Glamper and fold down the upper deck:

Step 2: Raise the upper deck into its highest position:

Step 3: Open up the Glamper

Step 4: Lift up sleeping bunk platform, and snap the water slide to the bottom of the sleeping bunk

Step 5: Lower the deck back into place while inserting the water slide pole into the hole on the pool railing.

Step 6: The water slide is now securely in place.