Downloading themes (3ds)

[zenith root]

im trying to download a theme from Theme Plaza but it wont show any QR codes and when i download it, it just gives me a file. how do i put that file inside of my 3ds

[quick quarry]

you have to click on the theme on mobile or hover your cursor over it on pc for the qr to show

If you download it manually then move the zip to /themes/