If you need the exact logo rather than just a similar font, several platforms offer vector files that can be used for non-commercial creative projects:
Gosha is widely available on many font repositories and marketplaces. You can typically find it by searching for "Gosha Font" on sites like: David Guetta Font Download
While various fan-made versions exist, the professional font most closely associated with the David Guetta logo is . If you need the exact logo rather than