# Installing on SLES The recommended way to install is to use prebuilt packages from our official release repository. If the repository is not configured yet, please [add](#adding-icinga-package-repository) it first before [installing](#installing-the-package) the package. All packages we provide are signed with the following [key](https://packages.icinga.com/icinga.key). ## Adding Icinga Package Repository !!! info A paid repository subscription is required for SLES repositories. Get more information on [icinga.com/subscription](https://icinga.com/subscription). `zypper` automatically prompts you to enter your username and password for the subscription. Here’s how to add the official release repository: ```bash zypper ar -r https://packages.icinga.com/subscription/sles/$releasever/release/ icinga-stable-release ``` ## Installing the Package Use your distribution's package manager to install the `` package as follows: ```bash zypper install ```