# Installation
This guide is intended for Windows, macOS, and Linux users because TrueConf client applications for desktops are cross-platform and have the same features and UI.
# TrueConf desktop client application features
Enjoy 4K (Ultra HD) video calls and conferences with a frame rate of 60 fps
Run meetings with up to 1,000 participants (up to 1,600 using UDP Multicast mode)
Try different video conferencing modes: video call (point-to-point or one-on-one video conferencing session), video lecture, all-on-screen, and role-based conference
Private meetings for registered users and public webinars with guest connections
Meet both with guests and users registered on TrueConf Server
Schedule conferences, create virtual rooms, and send email invitations to meeting participants
Point-to-point video calls can be run directly between the users bypassing the server
Quick call-to-conference escalation
Attendees can push to talk or send a request to become a speaker in role-based conferences, while moderators can appoint or remove speakers from the podium
Take polls or share reactions in conferences
Call VoIP users, landline and mobile phone numbers and send DTMF commands
Call SIP/H.323 and RTSP devices
Automatically enlarge speakers in a meeting
Highlight active speakers in the video window layout with a customizable color frame and set up microphone sensitivity level
Remote desktop control
Show slides and images in a separate media stream to all participants, including in-browser connections and SIP/H.323 endpoints over H.239/BFCP protocols
Share your entire screen or separate windows. Both your video and content will be visible in recordings, streaming and on devices that do not support H.239/BFCP protocols
Exchange messages and share files in personal and group chats. Your messages will be delivered even if your partner is currently offline
Chat history, including group chats of the meetings that have already finished
Control PTZ cameras, both your own and participants’ devices
Record video calls and conferences, choose a suitable video format and storage location
Configure your own video layout
Set video layout background
Сonference moderators can lock video layout for all participants or set individual layouts for each user, including SIP/H.323 endpoints and browser participants
Control participants’ cameras and microphones, change devices or adjust microphone sensitivity
Add and remove participants while the conference is in progress
Blur the background
Full address book support (adding and deleting contacts and groups, editing contact information, searching and blocking contacts)
Automatic discovery of available servers
Optional network speed limitation templates or manual settings
Try built-in tools for testing the quality of server connection
Enjoy built-in algorithms of echo cancellation and automatic gain control (AGC)
Start meetings instantly and save their templates
Stay focused on your meeting when sharing your content or switching to other windows thanks to a customizable widget with quick conference controls
Push to talk even when your microphone is disabled.
# Installing the application
Before installation, make sure your computer and network connection meet our system requirements depending on the desired video quality.
To get started with TrueConf client application, download it from the guest page of your TrueConf Server instance (please contact your server administrator to find out its URL address) or from our official website:
Before using the client application, make sure that your operating system and graphics card driver is up to date. Please note that we recommend downloading the drivers from the manufacturer's official website (Intel (opens new window), Nvidia (opens new window), AMD (opens new window)).