The specific method is as follows:
1. Right-click the status bar at the bottom and select Properties.
2. Select "Start Menu" in the pop-up window.
3. Use the start menu instead of the start screen to uncheck it.
4. Click OK to save the settings.
5. Click Logout and Change Settings in the pop-up window.
6. the style of the start menu has changed to win7 style.
What I shared with you above is how to change the start menu of win 10 1903 back to win7 style. Users in need can follow the above methods.