Help & Support

Using this site

To have the best experience on our website and when using Internet Banking, your computer needs to meet the following minimum technical specifications

Operating system

  • Windows Vista, 7, 8, 8.1 or 10
  • Mac OSX 10.9

Web browser software

  • Microsoft Internet Explorer 9, 10 or 11
  • Google Chrome – latest version
  • Mozilla Firefox – latest version
  • Apple Safari – latest version
  • Microsoft Edge - latest version

Internet access

Broadband or high-speed connection. A dial-up connection may mean that you notice degradation in the performance.



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If your settings don’t meet these minimum requirements, we recommend you upgrade. Alternatively, you can access our Telephone Banking services on 0800 24 00 00

Call us on 0800 ASK BNZ (0800 275 269) if you need any help.

How do I upgrade my web browser?

If you don’t have one of our supported browser versions, you can download them for free. 

Do I need JavaScript enabled?

To best experience our website and Internet Banking services, you need to have JavaScript enabled. You can access it using your browser’s internet options. If you’re not sure how to do this, refer to your browser’s help content.

Why do I need session cookies?

Session cookies are a security feature, one of a number used by us, to ensure that your information is kept confidential. Session cookies only stay on your computer for the duration of your session.

Firewall and anti-virus software

We also recommended you install a personal firewall and anti-virus software on your computer. Update the software’s virus definitions frequently.