Arkio is also available in "desktop mode" on PC and Mac as well as in tablet and phone versions for iOS and Android. So you don't need a VR headset to get started. You can download Arkio for free on various devices at https://www.arkio.is/get-started
If you are planning to do some heavy 3D modelling with Arkio We recommend using the VR version of Arkio as it has additional modelling tools and functionality and you can use your hands to grab objects and model faster and more intuitively. An overview of VR headsets that support Arkio can be found here.