# Incremental Installer

If you have some files that you would like to install or cache you might want to consider using the Incremental Installer. The Incremental Installer supports the following features:

- Up front install1
- Background install1
- Background cache

Note that these features are available only on Playstation 3.

The up front install allows you to have a set of files install in a traditional installer way. Although the incremental installer itself does not provide the graphical user interface, it does provide callbacks so that you can easily use your own graphical interface code.

The background install allows you to install files in the background, when the game is running. The difference with caching the files is two fold:

- It allows you to install more data (up to 5 GB.)
- The installed data is never wiped, whereas the cache can be cleared when switching games.

Finally the background cache works much like the XBOX 360 cache, but it works on both XBOX 360 and Playstation 3. It copies files to the cache while the game is running.

The incremental installer comes with features such as versioning of data and forced wiping of the cache. The incremental installer cache is a derivative of the cache as it was used in Skate.

The incremental installer is part of the RwFileSystem version 1.06.00 and upwards.

RwFileSystem can be found at: http://packages.worldwide.ea.com/search.aspx?q=rwfilesystem.

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