Windows
Chrome/ Firefox /Opera/New MS Edge and Chromium based browsers
Open your browser and go to this address:
http://www.k3imagine.com/connector/certs/imagine-root.crt
Choose to download the certificate to a known location i.e. Downloads folder and when the certificate file has been downloaded open it.
If prompted with a security warning about opening the file choose to Open the file.
You will be asked to edit trust settings choose "This certificate can identify web sites" and click OK
Click Install the Certificate.
Click OK then select 'Place all certificates in the following store' and click Browse. Select 'Trusted Root Certification Authorities' and click OK.
Click Next and then Finish. When prompted the import was successful, click OK.
Firefox
Open Firefox browser and go to this address: http://www.k3imagine.com/connector/certs/imagine-root.crt
Choose to download the certificate to a known location i.e. Downloads folder.
In Firefox, click the burger menu then Options.
Search for 'Certificate' in Find In Options.
Click View Certificates button.
On the Authorities tab click Import and browse to the known location where you saved the certificate. Choose the certificate (imagine-root.crt) and click Open.
Click OK once the certificate is installed.
Restart the Firefox browser once complete.