Oracle Database 12 c Release 1 (12.1.0.2.0) Click on setup and run as 'Administator' Click Next Check on Configure a database and hit Next Click on Server Class and hit Next Click on Single Instance Database Installation and hit on Next Click on Advanced Installation and hit next Select English and hit next You will be enabled by default for enterprise edtion Click on Use Windows Built-in-Account Ignore the message and click on Yes and proceed to next window Change your desire path Click on Datawarehousing Give your Oracle SID Go to Character sets Click on Unicode (AL32UTF8) so that it will support all the language Hit Next Hit Next Give your Password for Oracle Database 12c Click Next to install Oracle Database 12c It will Start Installation Give Ok for Oracle Database 12c Installation Congrats.. You completed Oracle Database 12c Installation