Plan to set aside enough time for each step of the process. For more information, see Time considerations for installing WebSphere Application Server - Express for iSeries. Depending on your server, the process may take more or less time.
Note: The installation of PTFs for products required by WebSphere Application Server - Express might require at least one initial program load (IPL or restart) of the server, so plan appropriately.
Read the product Release Notes for important information about the product. See the WebSphere Application Server documentation page (http://www.ibm.com/eserver/iseries/software/websphere/wsappserver/express/docs/
docexp51.html) 
for links to the Release Notes.
Verify that the prerequisites for installing and running WebSphere Application Server - Express for iSeries have been satisfied. For more information, see Prerequisites for installing and running WebSphere Application Server - Express for iSeries.
Note: If you are running an iSeries server that does not meet the minimum recommended hardware requirements for WebSphere Application Server - Express, you can still install and run the product. The WebSphere Application Server - Express environment might run slowly, but your applications run successfully when the environment is running.
Before you install WebSphere Application Server - Express for iSeries, you need to obtain the base product and current fixes. Depending on the ordering and delivery method, this can take up to two weeks. For more information, see Obtain the WebSphere Application Server - Express for iSeries and current fixes.
