Security and legality reminders

to check the MD5/SHA-1 hash of the files to ensure they weren't corrupted during the download. 3. Optimized 4K Playback

FC2 and PPV are terms related to online content. FC2 is a Japanese video hosting platform that allows users to upload and share videos. PPV, on the other hand, stands for Pay-Per-View, a model where users pay to access specific content.