Do not treat free motion packs as finished products. Instead, use them as starting points. Apply a motion from a free pack, then use the or Motion Puppet tools to modify individual body parts. Adjust the speed, change the pose, or blend two motions together to create something entirely unique.
This is the holy grail. Adobe Mixamo offers (walk, run, jump, fight, dance) for free. Iclone Motion Pack Free Download
Every month, Reallusion updates its "Free" category. To access this: Do not treat free motion packs as finished products
Features thousands of motions ranging from locomotion to cinematic cutscene actions. Adjust the speed, change the pose, or blend
Since free files often come from various sources (not just Reallusion), you may run into technical snags. Here is how to fix them.
[Download FBX Motion] -> [Load into Character Creator/3DXChange] -> [Characterization (Map Bones)] -> [Export as iClone Motion File]