The following articles will help you address some common problems
Audio/Video
Mursion Magic's Audio and Video preferences are found in the settings tab (the gear icon). When in doubt, these articles can help you troubleshoot any A/V issues.
Your Mursion Magic Simulation
These Mursion Magic articles will give you an overview of what to expect before and after joining a simulation.
Browser Requirements
Mursion Magic is browser-based, so you should make sure you have a compatible browser.