Is this with:
I did…
Hey, at least your camera moves, OP’s does not 
But this is due to control rotation inheritance because you’re using a template with different setup.
Do I need to do something to use the mouse cursor, though?..
( ugh, that’s even worse )
Wait, I found top down!
You could always try to convert this to UE5 to see if it works.
Do I need to do something to use the mouse cursor, though?
This goofy thing is so agnostic that it works in a blank template. But I’m sure I’d find a way to break it with some uncanny settings.
This is still the TD template I found. It works but I think some Xs and Ys are the wrong way around
You gotta cross them wires:
This will produce results but they’ll be wonky.
This just gives you screen percentage. We then change to range to -0.5 <=> 0.5 and multiply by a factor. The final XY needs reversing because the world axis is different from screen space.
I can’t. What is it?
But this IS all shiny & chrome, indeed.
And do you see the arrows going into the ground? Advancement.
( We won’t mention that the default map doesn’t work because the player fall off the edge… )
Is this a decal? I bet each arrow is 30k poly and Nanite driven. 
It’s a Niagara system 
Sorry guys the late replies, im at work simultaneously… But yep, this one worked! I downloaded it, migrated it into my project and copy pasted the blueprint into my character and now everything works perfectly. Thank you very much!