1. Open a mobile AppStore, such as Apple's App Store or GooglePlay Store for Android.
2. Search for "Hangzhou United Bank" or "United Bank" in the App store, and find and click the official app of "Hangzhou United Bank".
3. Click the "Download" or "Install" button to start downloading and installing the application.
4. When downloading and installing the App, please ensure that the version of your mobile phone system meets the requirements of the App, and pay attention to whether the downloaded and installed App comes from official channels to avoid downloading malicious software or counterfeit apps.