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The keyword "Free 2021" is tricky. ArcSoft TotalMedia was never freeware. It came as OEM bundled software with: Arcsoft Totalmedia 3.5 Windows 10 64 Bit Free 2021
Can you get it for free in 2021? Possibly, but with major caveats: If you’d like, I can tailor this post’s
Verdict: There is no legitimate, free, full version of TotalMedia 3.5 for general distribution in 2021. The keyword "Free 2021" is tricky
Kodi is famous for its media library capabilities, but its PVR (Personal Video Recorder) backend is powerful. If you have a compatible TV tuner, Kodi can act as a frontend to watch and record live TV, completely for free.
Here is the core technical reality. ArcSoft TotalMedia 3.5 was built for 32-bit architectures, though it nominally ran on early 64-bit systems via WoW64 (Windows on Windows 64).