* Unzip the package with [7-zip](http://www.7-zip.org/) or [Winrar](http://www.rarlab.com/).
* Copy the folder `irssi` to system. For example: `C:\Program Files\irssi`.
* (_**Optional**_) Add the folder to [PATH](https://www.google.es/search?q=add+folder+to+PATH+on+Windows) variable.
* Open the folder `irssi`.
* Run the script `irssi.cmd` or `irssi-with-term.vbs`.
### How to build irssi on Cygwin
* Install [Cygwin](http://cygwin.com/) and add the following packages to the default configuration:
*`Devel/gcc-core`
*`Devel/gcc-g++`
*`Devel/gettext`
*`Devel/gettext-devel (missing libintl.a)`
*`Devel/libncurses-devel (terminfo support)`
*`Devel/make`
*`Devel/pkgconfig (detects glib2)`
*`Interpreters/perl`
*`Libs/glib2`
*`Libs/glib2-devel`
*`Libs/openssl`
*`Libs/openssl-devel`
* Download [irssi-0.8.17.tar.bz2](https://github.com/clamsawd/irssi-win/releases/download/v0.8.17/irssi-0.8.17.tar.bz2) and save it to `C:\Cygwin\home\<User>\`.
* Open a Cygwin terminal, and run the following commands: