It looks like you’re referencing a specific release of – likely a DVD9 (dual-layer DVD) version labeled Multi5 (meaning 5 languages: usually English, French, German, Italian, Spanish).
Check eBay, Amazon Marketplace, retro game stores, or thrift shops. Look for the Atari logo and “DVD9” printed on the disc. Avoid “DVD5” bootlegs – they compress data and remove languages. PC Game - Neverwinter nights 2 -1 DVD9 Multi5- ...
During installation, you can select your preferred language from the Multi5 options. The audio and text will change accordingly. Some fan translations for additional languages are also available. It looks like you’re referencing a specific release
Players could switch between these languages without needing separate discs or downloads. For European and Canadian gamers, this was especially convenient. Spanish). Check eBay