At now the module just support setup via upload module files via FTP and run magento 2 commands.
You should go to our site, login with your account > go to Dashboard > Download Products > then download module file “Ves Megamenu” will get the file as this “ves_megamenu.zip“ or "ves_megamenu_pro_v1.1.3.zip". After decompress it we will get the folder and module files for each magento 2 version. If your site are running magento 2.4.x, setup module file under folder magento 2.4.x.