Internet Security Settings for SketchUp, Rhino, and Revit®
1. Open the Windows Start menu.
Type Internet in the search field and select Internet Options from the menu.
![Internet Options in Windows Start menu](/images/docs/kb/sketchup/634/0-options.png)
![Internet Options dialog box, Security tab, Trusted Sites option, Sites button](/images/docs/kb/sketchup/634/2-sites.png)
2. Select the Security tab in the Internet Options dialog box.
Click Trusted Sites, then click the Sites button.
3. Type https://www.landfx.com in the top text field, then click Add.
Type https://aws.landfx.com in the top text field, then click Add again.
Verify that https://www.landfx.com and https://aws.landfx.com are listed under Websites. Then click Close.
![Trusted sites dialog box with https://www.landfx.com and https://aws.landfx.com added](/images/docs/kb/sketchup/634/3-trusted-sites.png)
![Internet Options dialox box, Local intranet option, Custom level button](/images/docs/kb/sketchup/634/4-custom.png)
4. Back in the Internet Options dialox box, select the Local intranet option.
Then click Custom level... .
5. Scroll to ActiveX controls and plug-ins, then select the following options:
Allow Previously unused ActiveX controls to run without permission: ENABLE
Allow Scriptlets: DISABLE
Automatic Prompting for ActiveX controls: DISABLE
Binary and script behaviors: ENABLE
Display Video and animation on a webpage that does not: DISABLE
Download signed ActiveX controls: PROMPT
Download unsigned ActiveX controls: DISABLE
Initialize and scripts ActiveX controls not marked as safe for scripting: ENABLE
Only allow approved domains to use ActiveX without prompt: DISABLE
Run ActiveX controls and Plug-ins: ENABLE
Script ActiveX controls marked safe for Scripting: ENABLE
![Security Settings - Trusted Sites Zone dialog box with all our recommended settings for 3D design applications selected](/images/docs/kb/sketchup/634/5-settings.png)
6. Click OK to close the Internet Options. You've now configured the correct Internet security settings for our plugins for SketchUp, Rhino, and Revit®.