LilyPond Contributor's Guide: 4.2.1 Requirements for running LilyPond

### 4.2.1 Requirements for running LilyPond

Running LilyPond requires proper installation of the following software:

- DejaVu fonts (normally installed by default)
- FontConfig (2.4.0 or newer)
- Freetype (2.1.10 or newer)
- Ghostscript (8.60 or newer)
- Guile (1.8.2 or newer)
- Pango (1.12 or newer)
- Python (2.4 or newer)

International fonts are required to create music with international text or lyrics.

#### LilyPond — Contributor’s Guide