Hello lee and welcome to the PI forum!
From the menu bar:
Edit -> Global Preferences -> Core UI Resources (second item from the left-side list)
Then:
Uncheck the Automatic UI scaling tickbox.
Enter 2.00 at the UI scaling factor box.
Hit F6 or the "circle" button at the bottom left corner to Apply Globally.
Exit PI and restart PI again.
Things should be bigger now 8)
These high-DPI laptops are nice but unfortunately I feel that no OS is ready yet for the "High-DPI" era. I have one of those laptops, and even some basic OS apps doesn't scale well