While "Trial versions" of ShowBiz are sometimes found on software hosting sites like Softonic , these versions often have functional limits and still require a valid license key for full activation.
While ArcSoft's focus has changed, some remnants of its software suite can still be found. A search for "ArcSoft MediaImpression" might reveal a newer, possibly still-supported video editing tool from the same company that supersedes ShowBiz. However, always check the publisher's website for current offerings. arcsoft showbiz 3.5 license key