After installation of Fedora 25 on Windows system by default grub boot loader makes Fedora as default operating system. You will need to change default operating system in grub. You will need to run few commands to change default operating system if your Dual boot Fedora system.
Change Boot order Dual boot Fedora 25
This Guide applies to Fedora 25 where default operating system in boot loader is changed from Fedora to Windows 7
- Run command
- Look for entry GRUB_DEFAULT=saved. Edit it to number on with your windows operating system appear at Grub startup menu during boot. Remember first entry is 0 then 1 and so on. In my case it was 3
- Update grub.cfg. Run command
grub2-mkconfig -o /boot/grub2/grub.cfg
Reboot your system. Windows will be your default OS now.