windows 8.1 as boot manager

I have installed windows 8.1 and Windows 7
And the boot manager was windows 8.1
After the my Windows 7 crashed, and I reinstalled
The boot manager now is Windows 7

How can I get Windows 8.1 to be the boot manager?

Hi 'kayodetope', welcome to Windows EightForums!

Check here:

http://www.eightforums.com/tutorials/5245-startup-options-enable-disable-windows-8-a.html