Heroic, Legendary and Mythic take about 400 mb something
No.
NO, you need a flash drive for everything.
Yes you can, but games like Halo 3 were made to work best with a hard drive.
hard-drive
yes
Drive space usage is how much memory used from the total hard drive space. It's basically how many stuff you put into a hard drive compartment.
you will need a hard drive and invite people.
It is not yet possible to have unlimited hard drive space on a PC.Hard drive space is finite; like most things in life.
Partitions divide hard drive space.
Yes, you do.
drive space
Yes... but you need a Hard drive. And there are no achievements!