These are the requirements:
- Audio (listening): speaker or headset
- Browser: last version of Edge or Chrome
- OS: Windows (higher than Windows 7), Mac, Linux (with limitations only → not recommended)
- Bandwidth: Download min. 2 MBit/s - Upload min. 512 KBit/s → the higher the bandwidth, the better the audio/video quality
You don’t need to install anything. No admin rights required.