Oracle 11g Installation on Windows Se7en 64 bit

Lot of users faced similar issues while installation of Oracle 11g on windows 7 64 bit so I thought of posting the setups I used for a successful installation I downloaded the files from OTN with following names: win64_11gR2_database_1of2.zip win64_11gR2_database_2of2.zip Extracted both into the SAME directory with these names C:\Oracle\Disk1 C:\Oracle\Disk2 Started the installation from C:\Oracle\Disk1\database\setup.exe And the Installation failed …