Before You Apply
Please read the guides appropriate to your operating system or browser and ensure everything is configured as required before you start your application.
PDF Guides
Information needed for a successful application
Windows XP pre-requisites
Windows Vista pre-requisites
Windows 7 pre-requisites
Firefox pre-requisites
Installing the Trustis CA Chain
Step-by-Step Videos
Pre-requisites for Windows XP
Pre-requisites for Windows Vista
Pre-requisites for Windows 7
Pre-requisites for Firefox
Installing the Trustis CA Chain in IE6
Installing the Trustis CA Chain in IE9
Installing the Trustis CA Chain in Firefox
For operating systems not identified above, please see the FAQs
Your Web Browser
Test that your web browser is compatible with a SimplySign certificate
Your Certificate
Test that your certificate is correctly installed
Certificate Management
To download the Trustis CA Chain click this link and save the the file.
PDF Guides
How to give your Digital Certificate a Friendly Name to make it easier to identify
How to back-up a Digital Certificate
How to restore a Digital Certificate from backup
Step-by-Step Videos
Testing and backing up a Digital Certificate in IE9
Testing and backing up a Digital Certificate in Firefox
If you are having problems retrieving your SimplySign certificate you should contact the Trustis helpdesk by using our web based support request.