High Fidelity is in early development and has not been extensively tested on all computers, tablets, or mobile phones.
High Fidelity should work using a Google Chrome browser on most PCs, Macs, and Android mobile devices.
If you're using an iPhone, it will work on Safari only. Do not use Chrome.
NOTE: Currently, if you share a link to a space via an app, the recipient will need to copy the link from the app, paste it into a supported browser, and access High Fidelity that way. Otherwise, they may run into errors when trying to join. More on this here: "Incompatible Browser" Error