airCam (gen1) cameras are not supported in 3.2+. Please stick to the 3.1.x chain if you have airCams.
All Linux commands below are for the NVR appliance and Debian 7. Different Linux distributions will have slightly different commands.
Updating from a UniFi Video installation prior to 3.3.0 might take an hour or longer, depending on the amount of recordings in the database. To get up and running immediately, perform a clean install instead of upgrading.
Your Ubiquiti Account (SSO) is the same account you use to login to the community forum. If you want to use a different account for UniFi Video, first log out of the community before setting up UniFi Video for cloud access.
When adding a new camera, your camera password will be reset and configurable under NVR Settings. Username remains the same.
RTSP stream URLs have changed from 3.1.x.
Systems that are not the hardware NVR (airVision-C or UVC-NVR) should have some form of an NTP daemon installed.
Windows: Run Installer as Administrator
Hardware NVR/Debian Install (other Linux files are linked at the bottom of this post, simply change the URL and filename to the appropriate operating system):