# Program options - DE Decompiler

> Program options in DE Decompiler for supported VCL applications written in Delphi or built with C++Builder. Win32/Win64 analysis and edition requirements.

Canonical HTML: <https://www.de-decompiler.com/help/program_options.htm>

## Program options

Tools > Options controls reconstruction, presentation, caching and the interface language.

![The DE Decompiler Options dialog, including user-class and VCL-class settings.](https://www.de-decompiler.com/image/help/de_decompiler_options.png)
The DE Decompiler Options dialog, including user-class and VCL-class settings.

The following sections describe analysis options for supported VCL applications written in Delphi or built with C++Builder:

- [Forms and visual inspection](https://www.de-decompiler.com/help/forms.htm)

- [Decompilation processing](https://www.de-decompiler.com/help/decompilation.htm)

- [Disassembly display](https://www.de-decompiler.com/help/disassembler.htm)

- [Themes and fonts](https://www.de-decompiler.com/help/color_scheme.htm)

- [Processing modes and caching](https://www.de-decompiler.com/help/advanced_features.htm)

- [Interface language](https://www.de-decompiler.com/help/language_selection.htm)

When comparing processing settings, retain the input binary and record which settings produced each listing. Cached output may require reprocessing before it reflects a changed option.