If you own the official English-dubbed DVD or a digital copy (e.g., from Amazon UK or Germany), you can extract the audio track using free tools:
The terms "download 2021 portable" in your query typically refer to unofficial "portable" software or media versions that do not require installation. For security and quality, it is recommended to use official services like JustWatch to find verified legal streaming or download options in your specific region. Battle for Sevastopol - Apple TV If you own the official English-dubbed DVD or