I'm trying to read a c3d file on Python with the btk library but I didn't succeed. I downloaded the library here https://code.google.com/archive/p/b-tk/download
winbugs14
arcgis-runtime-net
system-font
trongrid
swift-playground
unsigned
sitecore-sxa
fputs
spotlight
metatype
shadow-mapping
linkbutton
spring-expression
web-site-project
laravel-elixir
microsoft-graph-intune
byte-buddy
embed
m2doc
configurationmanager
rust-byteorder
lsyncd
microsoft.build.evaluation
xtk
qtextdocument
reactive-programming
across
scikit-learn-pipeline
tla+
ibm-infosphere