Learn how to adjust your Design History preference for new designs in Fusion.
In the upper-right, click your Avatar.
Select Preferences.
The Preferences dialog opens.
In the left panel, select Design.
In the main panel, next to Design History, click to expand the menu.
Select your preference:
Click OK.
The next time you create a design, Fusion will use your preference to determine the modeling mode or prompt you to decide.