Installed new dual friction center force clutch clutch pedal is now very soft and doesn’t come back

Sirsmiley9 said

the clutch pedal will rest either on the floor or at the top but only if it’s brought back up

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That indicates the TO bearing is not depressing the fingers, so probably is not moving enough or not moving at all.
Make sure your Z-bar is not moving laterally, and that the down-rod is staying more or less centered in the firewall window.
OOps treed again,lol