If you go to the BI downloads page on OTN (Oracle Technology Network), you will find two links - one for 11g and the other for 10g. Click the 11g link, which takes you to the download page for 11g. You have to accept the "OTN License Agreement" before you can download the software. You can download the software for Windows x86 for 32 and 64-bit platforms, and for Linux x86, also in 32 and 64-bit platforms. There are four files to be downloaded, in all a little more than 4GB.
Happy downloading and welcome to Oracle BI EE 11g.
|OTN Page for Oracle Business Intelligence Downloads|
|Download page for Oracle Business Intelligence 11g, version 188.8.131.52.0|