If FlexTools was already installed on the same computer on a previous version of Sketchup, no need to activate again. In SketchUp go to: Extensions > Extension Manager > Install Extension > Choose the FlexPack Pro.rbz. Download the latest FlexPack Pro RBZ installation file. Click on the button on the newly opened folder tab to save the component. How to get FlexTools running in Sketchup 2022.Right click on another 3D dude that is already in the currently open folder tab > Open containing folder in a new folder tab => Voila, the People-3D folder is open! Now you have a better view of where you're saving to.
If you were to click on the blue button, the save dialog would open into the root folder ( People) - Probably not where you want to save your lovely 3D dude to. What you want to do is save a 3D dude from your currently open model into the People-3D folder. It's set to Flat File View since you want to see all your people in one place. You open a ComponentFinder folder tab that is pointed at People. In that folder you have another folder called People-3D and a lot of other folders with all sorts of people. Let's say you have a folder called People. This will open a new folder tab pointing to a folder where the right clicked component is located.