---
title: "Installing the Dongle Drivers"
canonical: "https://documentation.chaos.com/space/LIC5/124758050/Installing%20the%20Dongle%20Drivers"
format: markdown
---
Overview Using the dongle subsystem with version 5.0 of the Chaos License Server requires having the WIBU-KEY drivers installed on the machine where the dongle is connected. If the License Server is enabled for dongle usage and the WIBU-KEY drivers are not installed, a message appears with a link to download the appropriate drivers from WIBU Systems. Clicking on  INSTALL WIBUKEY  takes you to the WIBU Systems website where you can download the appropriate drivers for your operating system. After downloading the drivers for your operating system, start the installer and follow the instructions. Please make sure that you have the proper USB drivers installed on your machine. See the sections below for more details on all the steps required to download install the WIBUKEY drivers. In case you need to install a newer version of the WIBUKEY drivers or the drivers are installed incorrectly on your machine or for another reason an issue is related to them, see the  Re-installing the Dongle Drivers  page. Downloading the dongle drivers To download the WIBUKEY drivers, go to the WIBU Systems website and download the drivers for your operating system. The drivers need to be installed on the machine where the dongle is connected. Link:  Download the drivers for your operating system. Installing the dongle drivers See the details for installing the dongle drivers for each operating system in the sections below. Windows Make sure that the USB dongle is  NOT  plugged-in. Make sure your account has administrative privileges and run the installation file  WkRuntime.exe  downloaded from the WIBU Systems website. Follow the instructions of the installer. You do not need to install the WIBU-KEY network server and monitor. Connect the dongle to your machine, open the  License Server interface  and enable  Dongle usage . macOS Make sure that the USB dongle is  NOT  plugged-in. Extract the file  WkRuntimeUser_6.20.500.dmg  and start the  WkInstall.pkg  file. In the next step click  Continue . Take a moment to read the Read Me section and click  Continue  when ready. Next you will see the screen below. Click on  Install  to install the drivers. You will be asked for your password. Enter it and click  Install Software . The installer will proceed with the driver installation. Once the installation is complete you will see the screen below. Click  Close . Connect the dongle to your machine, open the  License Server interface  and enable  Dongle usage . Linux Install the WIBU-KEY drivers with the appropriate command listed below. Note that the Linux drivers come in two versions, as a    .rpm    and as a    .deb    package – use the one that is appropriate for your Linux distribution (i.e. the    .rpm    files for Red Hat/Fedora/CentOS, the    .deb    files for Debian/Ubuntu etc.).  Operating System   Driver Installation File   Command  Example 64-bit, with .rpm support WkRt-Lin-6.40.2402-500.x86_64.rpm rpm -ivh <filename> rpm -ivh WkRt-Lin-6.40.2402-500.x86_64.rpm 64-bit, with .deb support wkrt-lin_6.40.2402.500_amd64.deb dpkg -i <filename> dpkg -i wkrt-lin_6.40.2402.500_amd64.deb