Rather than risking security with cracked software, consider free and open-source alternatives that provide similar functionality:
If you have purchased a license but cannot activate due to internet restrictions: Letasoft Sound Booster Offline Activation Key
Letasoft Sound Booster Offline Activation: The Complete Guide Rather than risking security with cracked software, consider
: Works with all Windows applications, including browsers (YouTube), communication tools (Zoom, Skype), and media players (VLC). including browsers (YouTube)
: An extra power setting for extremely quiet audio sources, though it may introduce some distortion.