According to Stardock's product page , a Curtains style can change everything from the Start button to title bar buttons and title bar coloring.
Disclaimer: Always ensure you are purchasing software keys from authorized, legitimate sources to avoid malware or revoked licenses. stardock curtains product key new
Install the trial version of Curtains.
: As the community assistant notes, sometimes an "incorrect email" can still activate a license if the key is correct. However, the proper method is to use the email address associated with your purchase. According to Stardock's product page , a Curtains