Connect to the ReactOS IRC Channels

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Notice: IRC has been replaced with Mattermost, which is accessible on

This chat includes a full history.

Some channels are still bridged to IRC, but it is recommended to use Mattermost.

This tutorial will guide you through setting up KVIrc and connecting to the ReactOS IRC channels. KVIrc is the most fully-featured and actively developed open-source Windows IRC clients; it's also written in C++, licensed under a slightly modified GPL, and is cross-platform.


  • Visit the KVIrc Download Page. Choose your operating system (Windows, Linux, OSX, FreeBSD). For ReactOS, choose Windows, this will take you to the list of releases page.
  • Choose the latest release. This will take you to the regional mirror page.
  • The regional mirror page will list several different locations to download the file. Choose one close to you (if you don't know where you are, pick one at random). This will start the download.
  • Run the file (if you have the option), or save it to your computer then run it.


  • First, choose your language. Click OK.
  • Click "I Agree" to agree to the terms. You should probably read it first.
  • Review the default components. You can choose where to put shortcuts, and whether or not to start KVIrc with Windows. Click "Next".
  • Choose the installation folder or leave it to the default setting. Click "Install" to start installation.
    • If you would like to install to a flash drive, make sure you specify the folder on your flash drive you would like to install to.
    • If installing to the network, choose the installation folder by its UNC name (e.g. \\Server\Share\KVIrx). This will allow it to work on other computers that run it (this is untested).
  • When it's complete, leave the "Run KVIrc" box checked and click "Finish".


On first run, a setup wizard will launch automatically. If in doubt, read the text at the top of the screen. It will explain the current options.

  • Click "Next" to proceed.
  • Click "Next" if you agree to the KVIrc license.
  • This page allows you to choose where to keep the KVIrc settings.
    • To use the default folders, click "Next".
    • If you installed to a flash drive, choose "All settings in shared program folder (portable)".
    • If you installed to the network and wish to share settings with all users (and allow all users to change settings), specify the network folder with the UNC name again (e.g. \\Server\Share\KVIrc).

Nickname and Profile

KVIrc Setup
  • Type in a user name. This will be displayed in the chat room when you send messages.
    • It appears to accept any characters besides spaces, but some servers may not support some characters (e.g. ,./<>?;':"[]{}~!@#$%^&*()-_=+).
  • You may choose to enter your real name or leave it as the default.
  • You may choose to enter your age, gender, location, and languages which you speak.
  • Click "Next".


KVIrc Theme
  • Choose a theme for KVIrc
    • I suggest choosing the "Don't Apply Any Theme" option, then downloading another theme later if you like.
  • To download additional themes, click here.
    • I suggest XCrystall Black, System 2.0, or DarkMatter.
  • Click Next.

Default Client

  • Click "Finish".


KVIrc Servers

If you receive a warning from your antivirus or firewall about this program, allow it access.

  • Scroll down until you see "Freenode" in the list.
  • Click the arrow to show the list of Freenode servers.
  • Choose a server close to you.
    • Suggested are the "chat.**" servers.
  • Click "Advanced".


KVIrc Password
  • Enter a password in the password field.
  • Click on the "Connection" tab.

Secure Connection

KVIrc Secure
  • Change the port to 6697.
  • Choose "Connect to this server at startup".
  • Choose "Use SSL Protocol".
  • Click on the "Join Channels" tab.


KVIrc Channels
  • Enter "#reactos" (or any other channel name) in the same box as the picture.
  • Click "Add".
  • Click "OK".
  • Back at the server list:
    • Uncheck the "Show this dialog at startup" box.
    • Click "Connect Now".
    • Then click "OK".

A window will pop up titled "Join Channels".

  • Uncheck the "Show this window after connecting" box and click "Close".


If you haven't used Freenode before, you will need to register your nickname the first time you connect.

KVIrc Register
  • Make sure you have selected "Freenode" on the left and not "#reactOS", as in the picture.
  • Type the following message: "/msg nickserv register <password> <email>".
    • <password> is the password you entered a few steps back.
    • <email> is your email address.

You will receive an e-mail with a confirmation key. Paste the confirmation key into KVIrc.

  • Example: "/msg NickServ VERIFY REGISTER <username> agpzmurtvdnm

Once you have entered the confirmation key you are logged in. There will be no need to identify. You may click "#reactos" in the left pane.

See also