Note: Restart SketchUp after doing this to force the plugin to generate a clean licensing request. Step 5: Check Network and Firewall Configurations

Look for any pending updates for the itself or the SubD plugin.

Contact the developer (Evil Software Corp / ThomThom) with your purchase receipt, license key, and SketchUp version details for a swift resolution. To help troubleshoot further, please share: What version of SketchUp are you currently running? Did you get a specific error message when entering the key? What operating system (Windows or macOS) are you using?

The safest, most reliable way to obtain SUbD is to :

SUbD is optimized for (four-sided polygons), not triangles. When SketchUp normally breaks faces into triangles, this creates problems for subdivision. Learning quad-based topology is essential for unlocking SUbD's full potential.

Moreover, using legitimate software protects:

This is a common misunderstanding. SketchUp subscriptions themselves don't use license numbers—you sign in with your email and password. If an extension is asking for a license, you need to enter the extension-specific activation code, not your SketchUp password.

Navigate to your local app data folder: User/AppData/Local/SketchUp/SketchUp [Year]/SketchUp/WebCache . Delete the contents of the WebCache folder. Relaunch SketchUp and log back in. Best Practices for Working with SubD

When copying the key from your purchase confirmation email, ensure you do not accidentally highlight an extra space at the beginning or end of the string.

Trimble now includes a powerful SubD tool natively in the $699/year SketchUp Studio tier. —just log in with your Trimble ID. It is slower than ThomThom’s on huge meshes but is always updated.

Software piracy is illegal in virtually every country. Using cracked plugins like SUbD constitutes copyright infringement. Consequences can include:

How to Make Your SketchUp SubD License Key Work: A Complete Troubleshooting Guide

: A single license (currently priced at approximately $40) allows one person to use SUbD on any number of machines they own. However, the license cannot be shared with other users.

Q: Can I use SketchUp SubD for free? A: No, SketchUp SubD is only available with a SketchUp Pro license.