Installation Preparation (Software and Hardware Requirements)

Windows7 (64-bit) or higher version, it is recommended to use Windows10 (64-bit) Professional Edition.
Intel i3 processor or above, memory 4GB or more, disk space 500MB.

Bandwidth Requirements

Peer-to-peer call: Basic rate 600Kbps (upload and download); 720p HD video 1.2Mbps (upload and download);
1080p HD video 1.8Mbps (upload and download)
Group meetings: Basic rate 800Kbps (upload and download); Gallery mode or 720p HD video 1.5Mbps;
1080p HD video upload 3.0Mbps, download 2.5Mbps

Client Installation Reported as Unsafe by System

False positive by Smartscreen, proceed with running or disable Smartscreen.