Access the Delphi Options from the Tools Menu | Options | Compilers category and then choose the Embarcadero Delphi item.
General Options
Delphi Options
Default Compiler Version
Choose the default Delphi compiler version to use in new Delphi Compiler actions, as well as set the default state of using certain environment variables at start-up.
Load Environment Variables at Start-up from
Default Language
The default language to use for Delphi builds.
Default Locale ID
Choose the default Locale and CodePage to apply to new Delphi Compiler actions added to your project.
Default CodePage
The default codepage to use for Delphi builds.
Microsoft Resource Compiler
Enter the location of the Microsoft Resource Compiler (rc.exe). The Microsoft resource compiler can be used instead of the Embarcadero provided one.
Library Paths (Tabs 1 to 3)
Delphi Library Paths
Use Registry for Library Paths
Check this option to retrieve library paths from the registry when building Delphi projects.
Delphi XE2 to XE8
Win32
The Win32 platform library path for the particular version of Delphi. If not installed then it should be left blank.
Win64
The Win64 platform library path for the particular version of Delphi. If not installed then it should be left blank.
OSX32
The OSX32 platform library path for the particular version of Delphi. If not installed then it should be left blank.
Delphi 3 to 2010
Path
The library path for the particular version of Delphi. If not installed then it should be left blank.