By default, the Windows version shows all tabs in the provided area by stacking them.
On Mac, however, all tabs are arranged horizontally, on the same line (toward invisible ends!). You can switch to the tab stacking mode by choosing either the Metal or Nimbus Look & Feel.
But, please note that in this display mode, some keyboard shortcuts are replaced by Windows equivalents, such as Control + A instead of Command + A.
For your information, in Metal/Nimbus, keyboard shortcuts are replaced as follows.
Action Mac OS Metal / Nimbus
Copy ⌘ + C Control + C
Paste ⌘ + V Control + V
Cut ⌘ + X Control + X
Select all ⌘ + A Control + A
Undo ⌘ + Z ⌘ + Z
Search and replace * ⌘ + F ⌘ + F
Save * ⌘ + S ⌘ + S
Move to line top ⌘ + ← fn + ←
Move to line end ⌘ + → fn + →
Move to sentence top ⌘ + ↑ fn + ↑
Move to sentence end ⌘ + ↓ fn + ↓
Move to next word alt + → Control + →
Move to previous word alt + ← Control + ←
* = Customizable