1. You can find the most UP-TO-DATE versions of the package list and install script (Both halves) at My Github.
2.KDark is not currently configured to work with efi booting, if you get any grub errors during the install you can simply disable uefi-only in your bios(or manually partition for uefi)
3. KDark's auto installer currently installs in full to the drive marked by you in the install script, in the upcoming improvements lists it will be marked as priority to make an installer with more partitioning scheme choices, as opposed to having to manually alter the installkdark or postchroot scripts.
4. The default user name is kdark and you are prompted for the password, as well as the default root password being prompted from you during install.