The following table lists the supported operating systems and corresponding web browsers for each CAI application. CAI recommends using recent versions of supported web browsers. Regardless of browser, enable JavaScript. Be sure to use the correct combination of operating system and web browser.

This table is updated periodically. Please check the announcements for the most recent information regarding support for browser versions.
Supported Operating SystemsSupported DevicesSupported Web
Browsers
TA Sites, Student Practice Tests, DEI, AVATIDE, Reporting
Windows
8 (Professional & Enterprise)
8.1 (Professional & Enterprise)
Desktops/LaptopsaChrome 83+
Firefox 60+
Edge 83+
10 (Educational, Professional, & Enterprise) (Versions 1809-1909)Desktops/LaptopsaChrome 83+
Firefox 60+
Edge 83+
Server 2012 R2, 2016 R2 (thin client)Desktops, LaptopsaChrome 83+
Firefox 60+
Edge 83+
Mac
10.11-11Desktops/LaptopsbChrome 83+
Firefox 60+
Safari 11+
Linux
Fedora 30 LTS (Gnome)Desktops/LaptopsChrome 83+
Firefox 60+
Ubuntu 16.04, 18.04 LTS (Gnome)Desktops/LaptopsChrome 83+
Firefox 60+
iOS/iPadOSc
12.4All 9.7” or larger iPads running a supported version of iOS/iPadOS.Safari 12 
13.4-13.7All 9.7” or larger iPads running a supported version of iOS/iPadOS.Safari 13 
14-14.4All 9.7” or larger iPads running a supported version of iOS/iPadOS.Safari 14 
Chrome OS
83-89ChromebooksChrome 83+ 
aIntel, AMD, and ARM devices are supported. ARM devices require x64 emulation.
bIntel and Apple silicon devices are supported. Apple silicon devices require Rosetta 2.
cWhen using iOS/iPadOS, ensure the English keyboard is installed and set as the default keyboard.