If you recently installed a new version of Windows next to a previous one, your computer will now show a dual-boot menu in the Windows Boot Manager screen from where you can choose which Windows ve…
Click Start
Type msconfig in the search box or open Run
Go to Boot
Select which Windows version you’d like to boot into directly
Press Set as Default
You can delete the earlier version by selecting it and then clicking Delete
Click Apply
Click OK
Restart your computer