This may cause an 'already installed' error when you attempt to install again. Please note: In rare cases this installation may fail with a message to check a log file for more details and it may remain partially installed. If you already have Oracle software installed, install into a new 'Oracle Home' software location (eg.Close any running instances of Visual Studio before installing.This includes versions installed using the Oracle Universal Installer. Before you install this package please make sure to uninstall any version of Oracle Developer Tools for Visual Studio installed on the machine.Older versions are provided for archival purposes only)

(The newest version works with Oracle Database 11.2 or higher. Please select the newest version and click the 'Download' button. Oracle Developer Tools for Visual Studio enables Visual Studio data features such as Server Explorer integration, TableAdapter Configuration Wizard and Entity Designer and also includes many useful Oracle specific tools. NET applications that access the Oracle Database.

Use this MSI installer package to start coding.

Visual studio 2015 installer