System Requirements

Our goal at First Interstate is to ensure that our website maintains and continues to be accessible by the various browsers and technology available today. To ensure your computer meets the minimum requirements for technology like Internet Banking visit our list of system requirements.
› View System Requirements
› What about Internet Explorer 8.0?

Enabling Javascript

Are you unsure whether you have JavaScript enabled or disabled? The First Interstate Bank website is completely accessible with or without JavaScript enabled. However, the Internet Banking and other pieces of technology require that JavaScript be enabled.
› View how to enable JavaScript on your browser

Flash Plugin Issues

Are you unsure what version of Flash you are running or are you having problems with the Flash version you have installed? To use certain pieces of technology such as the Internet Banking login, you will need to have the 8.0 or greater version of the Adobe® Flash Player. Check your Flash version and download the Flash player for your specific browser.
› View Flash Solutions

Deleting Internet Cache

As your computer loads websites, information is stored onto your computer to speed up return visits. As we continue to improve and update our website, you may run into issues due to outdated information stored on your computer.
› View how to delete Internet cache

Email Forwarding

With certain types of communications to First Interstate Bank, you will be asked to forward and email. This is so that we can view the specific header information on the email to further troubleshoot. View this information if you are having difficulties forwarding us an email.
› View how to forward and Email

Extended Validation

What is extended validation and why does it turn by address bar a different color? The new First Interstate Bank website uses the new technology of Extended Validation on our secure server certificate to help our customers identify the level of security on our website.
› View how this technology works