sudo ./install-tilemill.sh
to add the TileMill PPA and install packages.
Upgrading from a previous version of TileMill? Please read the [upgrade notes](upgrade.html)! Using Windows? Try our [VirtualBox image](http://support.mapbox.com/kb/introduction-installation/tilemill-virtualbox-vm).
### Support [Report bugs on GitHub](https://github.com/mapbox/tilemill/issues) or get support from the dev team at [support.mapbox.com](http://support.mapbox.com/kb/tilemill/where-can-i-get-help-with-tilemill). You can also join us on IRC at `#mapbox` on `irc.freenode.net` or follow us at [twitter.com/mapbox](http://twitter.com/mapbox).
### Features - Access datasources on the local filesystem or use online public datasources from the MapBox library - Manage map layers with Shapefile, GeoJSON, Raster, PostGIS and other datasources - Edit `carto` stylesheets directly in the browser or use your own text editor - Preview map tiles instantly while editing stylesheets - Inspect datasource field values and data types - Export maps to PNG, PDF and [MBTiles](http://www.mbtiles.org) formats
### Requirements - Mac OS X 10.6+ or Ubuntu 10.10/11.04 - 2 GB memory - Chrome 6+, Firefox 3+ or IE8+ ### Upgrading - View [upgrade notes](upgrade.html) for all releases.