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Supported Operating Systems for 3CX

3CX (PBX) can be installed on Linux and most versions of Windows. Below is a complete list of supported operating systems.

 Recommended Hardware Requirements

3CX Version 15.5

All operating systems must be installed in its x64 version. 32 bit versions are not compatible with 3CX PBX server and 3CX SBC. Full Windows and Linux updates are also mandatory to be applied to ensure compatibility with 3CX.

Supported and Tested by 3CX:

  • Linux Debian 9 (kernel 4.9)
  • Windows 10
    (Pro, Enterprise)
  • Windows 2012 and 2012 R2
    (Foundation, Essentials, Standard, Datacenter)
  • Windows 2016
    (Essentials, Standard, Datacenter)
  • Raspbian Stretch
    (for 3CX SBC only)

Not Supported and Tested by 3CX:

  • Linux Debian 8 (kernel 3.16)
  • Windows 7 SP1
    (Professional, Ultimate, Enterprise)
  • Windows 8 and 8.1
    (Pro, Enterprise)
  • Windows 2008 R2 SP1
    (Web, Foundation, Standard, Enterprise, Datacenter)

Please note that not supported does not necessarily mean that 3CX will not work however it is not tested by our Q&A team and we will not be able to assist with issues.

For older versions please go here.

Free for up to 1 year! Select preferred deployment:


for Linux on a $200 appliance or as a VM

Get the ISO


for Windows as a VM

Download the setup file

On the cloud

In your Google, Amazon, Azure account

Take the PBX Express