Trimble does not officially support or provide "portable" versions of SketchUp Pro 2020.
To use a classic license key and authorization number portable for SketchUp Pro 2020, follow these steps:
Open SketchUp 2020 on the current machine, go to Help > Remove License (or License Management) to free up the authorization.
网络上充斥着所谓的“绿色版”、“免安装版”或“便携版”。这通常是指经过第三方修改的软件，无需安装即可运行，常在 U 盘中携带。它们通常通过修改程序（“破解”）来绕过许可证验证。