i have a macbook 7,1( mid,2010)based on the tutorial from apple i started boot camp but the create windows 7 option was hidden so i replaced it with boot camp 4(it was 5 before).now the option to create bootable usb is visible but can't be marked.
after a a little search i found out that this option seems to be hidden for the macs with optical drives.
now my question is how can i install windows 7( supported by the mac 7,1 based on apple's tutorial ?
should i use DVD ? if so, how ?
my os is OS X yosemite