Authentic "serial number and authorization code lists" for SketchUp Pro 2018 do not exist as public, reusable keys. SketchUp 2018 uses a Classic License
Education and non-profit options
If you have lost your information, you can retrieve it through several official channels: Sketchup Pro 2018 Serial Number And Authorization Code List
She searched online for the sender’s name. Most results were forums warning about “pirated serials” and reminding users that such lists were often scams. Some commenters reported that their computers had become infected with malware after trying similar “free” codes. Maya’s heart sank—she realized that the promised “list” might be nothing more than a trap. Authentic "serial number and authorization code lists" for