there are no legal, permanent "license keys" for SketchUp 2023 available for free.
The most straightforward way to use SketchUp for free is the web version. It includes core 3D modeling tools and cloud storage via Trimble Connect. It is perfect for hobbyists and basic home DIY projects.
: Using pirated software in a professional environment can lead to severe legal penalties. Furthermore, many companies now use digital watermarking; if a client or collaborator discovers you are using an unlicensed version, it can permanently damage your professional reputation. Legitimate Ways to Use SketchUp for Free
To experience the full power of the 2023 desktop version, you can sign up for a SketchUp Studio Trial .