These are the requirements for the Advataxes software.

Browser Settings
Window pop-up
Browser Version Compatibility
Chrome 10 or higher
Edge 79 or higher
Firefox 4 or higher
Safari 5 or higher
Mobile Version Compatibility
Android 2.1 or higher
iPhone and iPad iOS 3 or higher

Note that the mobile version has limited functionality such as uploading receipts, adding expenses and submitting your report.