Install your Bubble Certificate on an Apple Mac OS X system

Login to your Bubble
Go to “Devices”
In the “Download Certificate” section, click “Mac OS X”
In the file dialog, choose “Save File”
Open the “Keychain Access” app
Select the “System” keychain from the “Keychains” list in the top-left panel
From the “File” menu, choose “Import Items...”
Find the Certificate file that you downloaded earlier and click “Open”
Right-click on the Certificate that you just added and choose “Get Info”
Toggle the arrow next to the “Trust” section to expand it
In the top drop-down box which reads “When using this certificate:", select “Always Trust”
Close the Certificate info dialog
An authorization dialog will appear. Enter your Mac user name and password and click “Update Settings” to authorize the change.
Close the “Keychain Access” application.
Congratulations! You have successfully installed your Bubble certificate!
NOTE: if you use the Firefox web browser, you must also separately install your Bubble Certificate in Firefox