Step 1: Click the PIM module and select Product Groups. This will open the Product Groups page.
Step 2: Click the + button located in the bottom bar, or right clicking and selecting + Add, or hit F3 on your keyboard.
Step 3: Directly enter a name for this product group.
You have now successfully created a product group. Next step is to start adding products.
Tip: You can create subgroups by dragging group folders into each other. To expand groups with subgroups in them, click the arrow located in the corner to the left of the group.