# In the terminal, issue the command: '''sudo su''' (this will give administrator priviledges - assuming your have these priviledges, enter your account password)<br /><br />

# Issue the command: '''cp &nbsp;&nbsp;/etc/default/grub &nbsp;&nbsp;/etc/default/grub.bk''' (just making a backup copy...)<br /><br />

# Issue the command: '''gedit &nbsp;&nbsp;/etc/default/grub''' (this opens the file in gedit application to allow you to make changes)<br /><br />

# Change the option '''GRUB_DEFAULT=0''' to correspond to that number for your Windows OS boot loader you determined in stop #1.<br />For example, ''GRUB_DEFAULT=7'' <br /><br />