Configure Oracle 12C - RCU Step-1

Install the following software :

1.  Oracle DB 12c download link , Here's another link Archive.org
2. Forms and Reports 12.2.1.3.0  download link
3. Fusion Middleware Infrastructure installer  12.2.1.3 download link
4. Java 8u152 version(jdk-8u152-windows-x64) download link

Then start the RCU as followed.

After installation ,Create Repository using Repository Creation Utility (RCU):

1. GOTO D:\Oracle\Middleware\oracle_common\bin\rcu.bat
2. Enter required Credentials
3. Select  ALL : ORACLE AS Repository Components

Note, You can drop an existing  DOMAIN , by following these simple steps :

1. Goto D:\Oracle\Middleware\domain-registry.xmland delete the line contains Domain Name
2. Delete the folder D:\Oracle\Middleware\user_projects\applications\insight
3. Delete the folder D:\Oracle\Middleware\user_projects\domains\insight
4. Delete the file:  D:\Oracle\Middleware\user_projects\domains\insight\servers\AdminServer\tmp\AdminServer.lok

Before Starting install Forms &Reports and Fusion:

• Both of  Fusion and Forms&Reports must have the same version
• Install Fusion First then install Forms&Reports 
• Forms&Reports  are downloaded in two zipped folders, so extract first one (larger than 1.5GB) and keep the other (small zip file) inside extracted folder as the following image