: Open SketchUp and click the Sign In button on the Welcome screen.
: Serial numbers and authorization codes only apply to "Classic Licenses" purchased before late 2020. Even if you have an old serial number, it generally will for the 2022 version, as it is a subscription-only release. SketchUp Community Why You Should Avoid "Free" Serial Number Sites Sketchup Pro 2022 Serial Number And Authorization Code
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