Sharing or using "serial number and authorization code lists" from unauthorized sources is a violation of the SketchUp End User License Agreement (EULA)
: Check the email address used during purchase for a message from sketchupmail@sketchup.com Sketchup Pro 2019 Serial Number And Authorization Code List
. Publicly available lists are often associated with pirated software, which can expose your system to security risks and legal issues. Sharing or using "serial number and authorization code