You can make Start full screen and see everything in one view.
Select Start , then select Settings > Personalization .
Select Start , and then turn on Use Start full screen.
The next time you open Start, the Start screen will fill the entire desktop. Select All apps in the Start screen for a full-screen view of all your apps and programs, or stick with Pinned tiles for a more dynamic view.
Note: If you just want to resize the Start menu a bit to make it taller or wider, select the top or side border and drag it.