The free Slack 4.29.149 download is available on our software library. The copyright holder of the software is Slack Technologies. This program is designed to work with Windows 7/8/10/11 32/64-bit. You can find it in the Communication category on our software library. The most popular versions of the program are 3.3, 3.2 and 3.1. The built-in antivirus system indicates that the software is secure. These installation files are often used to install the software: slack.exe and Update.exe.