From a USB flash drive. But nevermind, i just deleted all the partitions. Gotta take some chances in life hehe. Now have 1 single partition and installing. Seems to work fine. I'll let ya know if i get troubles.
So I'm going to install a fresh Windows 8 on my new Acer Aspire V5 laptop. When I come to the drive/partition window it asks "Where do you want to install Windows?". The following partitions already exist:
1: Recovery | Type Recovery
2: ESP | Type System
3: (no name) | Type MSR (Reserved)
4...