While using a cracked version of Wavesfactory TrackSpacer 20 may seem like a good idea, there are several risks involved:
Trackspacer typically requires a serial number sent via email. If you encounter authorisation loops on Mac, check for a "License" folder in /Library/Application Support/Wavesfactory/TrackSpacer/ and create it manually if it is missing. Risks of Cracked Software
Here's a step-by-step guide to installing the cracked version of Wavesfactory TrackSpacer 2.0 VST2: