System requirements for using Slack

If you’re curious about the system requirements needed to run Slack, read on to learn which operating systems (OS) and browsers we support. For the best experience, we recommend using the latest versions.

Note: Slack updates these system requirements twice per year, in March and September. Visit Slack’s deprecation schedule to learn more.


OS OS version
Mac OS X OS X 10.14 or above

Windows 8.1

Windows 10 version 1909 or above
Windows 11

Linux Ubuntu LTS releases 18.04 or above
Red Hat Enterprise Linux 7.0 or above

Note: Starting 1st March 2022, Slack will no longer support Fedora Linux distributions.

Tip: If you’re running into issues with downloading the latest version of the desktop app, visit Update the Slack desktop app.


OS  OS version
iOS iOS 14 or above
Android Android 8 or above

Web browser


Browser version


Version 89 or above


Version 87 or above


Version 14.1 or above

Microsoft Edge

Version 89 or above

Note: Google Chrome is the only browser that supports Slack calls and huddles.

Learn more

To learn about when we stop supporting certain versions and to see a list of versions that will soon be blocked, visit Slack support lifecycle for app versions, browsers and operating systems.