Operating Systems
Note: Downloading ISL Light or running ISL Light Network Start executable will download the latest supported version for your operating system.
Microsoft Windows
| Client Version | Server Version | ISL Light Version |
|---|---|---|
| Microsoft Windows 11 | Microsoft Windows Server 2025 | ISL Light 4.0.0 - The latest version available |
| Microsoft Windows Server 2022 | ISL Light 4.0.0 - The latest version available | |
| Microsoft Windows Server 2019 | ISL Light 4.0.0 - The latest version available | |
| Microsoft Windows 10 (32-bit and 64-bit) | Microsoft Windows Server 2016 | ISL Light 4.0.0 - The latest version available |
| Microsoft Windows 8.1 (32-bit and 64-bit) | Microsoft Windows Server 2012 R2 | ISL Light 4.0.0 - The latest version available |
| Microsoft Windows 8 (32-bit and 64-bit) | Microsoft Windows Server 2012 | ISL Light 4.0.0 - The latest version available |
| Microsoft Windows 7 (32-bit and 64-bit) | Microsoft Windows Server 2008 R2 | ISL Light 4.0.0 - The latest version available |
| Microsoft Windows Vista (32-bit and 64-bit) | Microsoft Windows Server 2008 | ISL Light 3.0.0 - 3.5.5 |
| Windows XP (32-bit and 64-bit) | Microsoft Windows Server 2003 R2 | ISL Light 3.0.0 - 3.5.5 |
| Microsoft Windows Server 2003 | ISL Light 3.0.0 - 3.5.5 |
Note: Windows devices with ARM architecture are not supported.
Mac OS
| Client Version | ISL Light Version |
|---|---|
| macOS 15.X Sequoia | ISL Light 4.0.0 - The latest version available |
| macOS 14.X Sonoma | ISL Light 4.0.0 - The latest version available |
| macOS 13.X Ventura | ISL Light 4.0.0 - The latest version available |
| macOS 12.X Monterey | ISL Light 4.0.0 - The latest version available |
| macOS 11.X Big Sur | ISL Light 4.0.0 - The latest version available |
| macOS 10.15 Catalina | ISL Light 4.0.0 - The latest version available |
| macOS 10.14 Mojave | ISL Light 4.0.0 - The latest version available |
| macOS 10.13 High Sierra | ISL Light 4.0.0 - 4.4.2031.107 |
| macOS 10.12 Sierra | ISL Light 4.0.0 - 4.4.2031.107 |
| OS X 10.11 El Capitan | ISL Light 4.0.0 - 4.4.2031.107 |
| OS X 10.10 Yosemite | ISL Light 4.0.0 - 4.4.2031.107 |
| OS X 10.9 Mavericks | ISL Light 4.0.0 - 4.4.2031.107 |
| OS X 10.8 Mountain Lion | ISL Light 4.0.0 - 4.4.2031.107 |
| Mac OS X 10.7 Lion | ISL Light 4.0.0 - 4.0.4 |
| Mac OS X 10.6 Snow Leopard | ISL Light 4.0.0 - 4.0.4 |
Important: With macOS 10.14 Mojave Apple and macOS 10.15 Catalina Apple introduced additional changes to its Security settings which further affect the workflow when running ISL Online applications.
Please refer to the following topic for an explanation:
- ISL Online programs compatibility with macOS 10.15 Catalina
- ISL Online programs compatibility with macOS 10.14 Mojave
Linux
- Linux kernel 2.4 and higher (64 bit)
- glibc 2.12 or newer
- systemd
- X Window System
Tested on:
- Ubuntu 16.04, 18.04, 20.04, 22.04
- Debian 9, 10, 11, 12
- CentOS 8
Not supported:
- Wayland
- Linux 32-bit
- arm64 architecture
Note: ISL Light 4.0.4 for Linux was the last version to support 32-bit kernels.
Chrome OS
Note: ISL Online provides remote viewing (but not remote control) of Chrome OS devices with the Android subsystem installed. On the other hand, Chrome OS users (with the Android subsystem installed) can access, view and control any Windows, Mac or Linux remote computer.
Mobile
Internet Connection
Bandwidth minimum: 56 Kbps
Bandwidth consumption during audio/video call in ISL Light:
| Video quality and mic/consumption | Network consumption resource manager [kb/s] | Network consumption net balancer [kb/s] |
| Video quality default high | 21,5 | 23 - 62 |
| Video quality default high + mic | 25,5 | 20,5 - 69 |
| Video quality snapshot high | 13,2 | 10 - 12,5 |
| Video quality snapshot medium | 5,8 - 6,2 | 6 - 7 |
| Video quality snapshot low | 5,5 | 5,5 - 6,6 |
| Mic only | 3 - 4,5 | 7 - 8 |
Supported connection methods (ISL Light can work with any of the following):
- direct outgoing TCP/IP connection to TCP port 7615 on ISL Conference Proxy server
- WININET HTTPS connection to TCP port 443 on ISL Conference Proxy server
- WININET HTTP connection to TCP port 80 on ISL Conference Proxy server
- direct HTTPS connection to TCP port 443 on ISL Conference Proxy server
- direct HTTP connection to TCP port 80 on ISL Conference Proxy server
Timeout for a specific connection method is 20 seconds for connection establishment - so total timeout for connection is less than 1 minute.
Supported network types are the following:
- a computer with a static public IP
- a computer with a dynamic public IP
- a computer in a private network behind a firewall with a public IP performing NAT
- a computer in a private network behind a http proxy offering http and/or https protocols
Web Browsers
- Firefox
- Google Chrome
- Microsoft Edge
- Microsoft Internet Explorer
- Opera
- Safari
Related Articles:
Connect via Desktop App - ISL Light
Set Unattended Access via Email