While direct downloads of specific old versions like v1010577 are not officially supported, the current trials provide access to the latest, more optimized version (Continuum 2025/2026), which includes all the features of BCC 10 and many more.
While the 10.0.5 build is excellent, the modern Continuum Suite has added significant improvements: boris fx v1010577 x6442 free
: Make sure the version you're interested in (in your case, V10.10.577 x64/42) is compatible with your operating system and the video editing or visual effects software you plan to use. While direct downloads of specific old versions like