CentOS grub update (Linux and Windows Dual boot)

yum install epel-release
#yum search ntfs
yum install ntfs-3g

#Edit grub default
nano /etc/default/grub
#add line:
GRUB_DEFAULT=saved
GRUB_SAVEDEFAULT=true

#execute command:
grub2-mkconfig -o /boot/grub2/grub.cfg

reboot

Done!