{nav icon=home, name=Main Page > icon=info-circle, name=PureOS > icon=th-large, name=Software Center > icon=sellsy, name=Software Sources} This document describes how to add software sources or repositories (repos). Adding software sources, like mirrors, can speed up the download of packages and updates to your system. --- = GUI method = Start `Software & Updates` app: {F29101, size=full, alt=su1} click //Other Software// tab and click the !!Add...!! button, then enter the repo line: {F29103, size=full, alt=su2} and click the !!Add Source!! button. If you need to add keys for the newly added repo, check the //Authentication// tab: {F29105, size=full, alt=su4} = Alternative method = By default, you should have this line in your `/etc/apt/sources.list` file: `deb https://repo.pureos.net/pureos amber main` If you want to add more repos, just edit this text file and the appropriate lines below this first line. For example, you can add a PureOS mirror is you're in North America, this will speed up your downloads. Simply add this line to your /etc/apt/sources.list file; `deb https://mirrors.sonic.net/pureos/repo/pureos/ amber main`