All bets are off here. Get to those that made this installer to see what to do next.
Note: After I saw that menu, I stopped. It's either a pirate system or something you don't get from the usual channels. Tell more.
As to partitions, this is easy. Start with none and just point the installer to the blank drive. The installer will do the rest.
I suggest watching on YouTube, as you may not be able to see what's going on. Sorry for the vertical lines, I'm an idiot.
The laptop is a Dell Inspiron 15 3521. The HDD is a Western Digital 500GiB.
I just thought it would be appropriate to include a video this time, of my problem. Thank you all, CNet mods and forum-goers!