HEVC (H.265) is essential. 60fps files contain more data than 24fps files; H.265 compression keeps the file size manageable.
Dramas, horror (high frame rate ruins suspense), and anything before 1990.
When downloading or converting to 60fps, file size increases. Maintain quality by following these bitrate guidelines:
If you want to download 60fps movies today, the pirate scene is the only large-scale source.