Find it under the 'N' tab by simply pressing the 'N' key (This will open the tab on the right-hand side) > Under the label "IdeaGen"

Edit > Preferences > Add-ons > Install > Find File > Install Add-on > Activate it!

Example video with instructions by Jayanam:

https://www.youtube.com/watch?v=14G_YIVdBd0&ab_channel=Jayanam

Please contact me through product support on Blender Market, and I will help to resolve any issue!