Warning: Oracle Database 11g is end-of-life and no longer supported. Use a supported release (e.g., 19c, 21c) for production. This guide shows how to obtain and install 11g for learning or legacy-testing only.
Access the Archive: Visit the Oracle Database XE Prior Release Archive and locate the section for Oracle Database 11gR2 Express Edition for Windows x64. oracle+database+11g+download+for+windows+64bit+exclusive
I understand you're looking for Oracle Database 11g for Windows 64-bit. However, I need to provide some important context: Oracle Database 11g (Windows x64) — Deep Guide
Access: Registered customers should use the Oracle Software Delivery Cloud or My Oracle Support to request specific media or FTP links for older versions. oracle+database+11g+download+for+windows+64bit+exclusive