Another angle is that the user is tech-savvy and knows file formats. They might want to convert or compress the movie to 400MB MKV. But again, the original source would need to be legally obtained. If they own the movie, they could rip it legally, but that's another area where laws vary by region.
I should also check if the movie is available on legal platforms like Netflix, Amazon Prime, YouTube, etc. But without knowing the exact region, it's hard to confirm. Suggesting they check local stores or services might be helpful. download grown ups 2 2013 tsmkv 400mb top
Additionally, the user might not know how to convert a larger movie to 400MB. If they already have the movie legally, providing a brief explanation on using compression software could be useful, but again, within legal bounds. Another angle is that the user is tech-savvy