Trimble offers a 30-day trial of the latest SketchUp version. This gives you full Pro functionality with no strings attached for a month. What if you lost your 2019 License Info?

Sites providing "keygen" tools or lists often bundle malware, ransomware, or spyware within the downloads.

Today, most users sign in with a (email and password) rather than entering long strings of numbers. If you are looking for 2019 specifically, it may be because you own a "Classic License," but even these require official validation through Trimble's servers. How to Get SketchUp Legally (and for Free)

If you are a student or educator, you can often get access to SketchUp through your institution for free or at a massive discount.

Genuine SketchUp Pro 2019 licenses have a seat limit (usually two computers). Once those seats are filled, the code becomes useless for anyone else.

If you actually purchased SketchUp Pro 2019 and simply lost your credentials, don't look for a "list" online. Instead: Go to the on the official website. Enter the email address used at the time of purchase.

A powerful web-based version that allows you to model in your browser. It doesn't require a serial number and saves your work to the cloud.

SketchUp licenses are usually tied to a specific computer's hardware ID. A serial number that worked for someone else won't work on your machine without the corresponding activation server handshake.