Required Browsers The following browsers are required to ensure the Secure Acceptance checkout flow is fast and secure: Desktop browsers: ■ IE 10 or later ■ Edge 13 or later ■ Firefox 42 or later ■ Chrome 48 or later ■ Safari 7.1 or later ■ Opera 37 or later Mobile browsers: ■ iOS Safari 7.1 or later ■ Android Browser 4.4 or later ■ Chrome Mobile 48 or later