Download Oracle Universal Installer Version 11.2.0.0.0 [portable] -

: A previous Oracle installation left remnants. Fix : Delete or clean the /etc/oraInst.loc (Linux) or C:\Program Files\Oracle\Inventory (Windows).

When you download any Oracle product—whether it’s Database 11g, Oracle Application Server, or Oracle Grid Infrastructure—the OUI is the first component that launches. Its responsibilities include:

Oracle requires you to agree to the OTN (Oracle Technology Network) license agreement. Though it says “trial,” you can use the software for development, testing, or production only if you have purchased valid licenses. For learning purposes, the download is free. download oracle universal installer version 11.2.0.0.0

: Patch versions (like 11.2.0.4) and specific patchsets require a valid support contract and can be found at My Oracle Support Installation Steps Download the Binaries

From the dropdown, select the platform you need. Common choices: : A previous Oracle installation left remnants

To , you typically download the complete Oracle Database 11g Release 2 software package, as the installer (OUI) is bundled within the main software binaries. Official Download Sources

and bring the reliability of Oracle 11g Release 2 to your lab or legacy environment. Its responsibilities include: Oracle requires you to agree

Important : OUI 11.2.0.0.0 is identical in function across platforms, only the binaries differ.

Once launched, the OUI 11.2.0.0.0 window will show:

Oracle Database 11gR2 for 64-bit Windows typically requires :

: There is no standalone "OUI only" download for this version; it is always included in the product's installation media.