Split Panes

Alt + Shift + - (Horizontal Split)
Alt + Shift + = (Vertical Split)
Alt + Shift + d (Auto Split)

Note

The above commands will open the default profile in the split pane

Alt + Selected Profile from Drop down (Split selected profile in Split Mode)
Alt + Arrows (Move between Panes)
Ctrl + Shift + W (Close a Window/ Pane)

Command Line

wt -p "Ubuntu" -d .
 
wt; new-tab -p "Ubuntu"; split-pane -p "Ubuntu" -V; split-pane -p "Kali Linux" -H -d "D:Downloads"

Options

-p : Profile Name
-d : Working Directory
-V : Vertical Split
-h : Horizontal Split

Info