1.1. Extension Install
This workshop course requires GeoServer with a few additional extensions.
- CSS Styling: Quickly and easily generate SLD files 
- YSLD Styling: An alternative styling language to SLD 
- Importer: Wizard for bulk import of data 
On Windows the following is recommended:
The CSS extension is distributed as a supported GeoServer extension. Extensions are unpacked into the libs folder of the GeoServer application. The YSLD extension is a new addition to geoserver and is distributed as an unsupported GeoServer extension.
Note
In a classroom setting these extensions have already been installed.
1.1.1. Manual Install
To download and install the required extensions by hand:
- From the download page download: 
 - It is important to download the version that matches the GeoServer you are running. 
- Stop the GeoServer application. 
- Navigate into the - webapps/geoserver/WEB-INF/libfolder.- These files make up the running GeoServer application. 
- Unzip the contents of the three zip files into the - libfolder.
- Restart the Application Server. 
- Login to the Web Administration application. Select Styles from the naviagion menu. Click Create a new style and ensure both CSS and YSLD are available in the formats dropdown. Click Cancel to return to the Styles page without saving.