Choose the proprietary drivers for Nvidia cards in case they are supported. Otherwise, better choose the open-source version. You can later-on switch to the other version as long as you are able to boot and operate the system.
https://wiki.manjaro.org/index.php?title=Configure_NVIDIA_(non-free)_settings_and_load_them_on_Startup
https://wiki.manjaro.org/index.php/Configure_Graphics_Cards#Identifying_Available_Drivers