Obtaining a "free" license key for this software is complicated by its legacy status:
Since TotalMedia 3.5 is legacy software with limited support for modern operating systems like Windows 10 or 11, you may consider these free, actively maintained alternatives: VLC Media Player Arcsoft Totalmedia 3.5 License Key Free
Arcsoft TotalMedia 3.5 is proprietary commercial software. It is not freeware, shareware, or open-source. Obtaining a "free" license key for this software
Since TotalMedia 3.5 was designed for older versions of Windows (Vista/7) and lacks support for modern features like 4K or current EPG data, most users switch to free, modern software that does not require a license key: you may consider these free
Doing so would: