All Install & Upgrade style functions are available from ACP → Appearance → Languages.
Install & Upgrade automatically obtains a list of available products from all profiles that support it. When clicking “Install & Upgrade”, the first opened tab will be “Install from available products”. If the tab is not shown, you do not have any eligible products.
Select a language you like from the list of available products, and hit “Install”. Install & Upgrade will guide you through the rest of the installation automatically.
Click “Install & Upgrade” and then “Install/upgrade from URL”. Paste the URL you want to install from into the list, choose how to import it as, and click “Download”. Install & Upgrade will guide you through the rest of the installation automatically.
Click “Install & Upgrade” and then “Install/upgrade from xml”. Select the style xml you want to install, choose how to import it as, and click “Import”. Install & Upgrade will guide you through the rest of the installation automatically.
Languages installed via xml will not receive automated update checks.
You may link existing languages with Install & Upgrade by re-installing them via product list or URL as described above and selecting the existing language as overwrite target.
Languages that are able to be upgraded can be found under ACP → Appearance → Languages → Upgradeable languages. When you are ready to upgrade, choose “Upgrade” next to the language. The list of upgradeable languages is only shown when an update has been found.