After installing the certificate, you can export the certificate and save it, so that you can import the digital certificate next time you make an online payment on another computer.

The steps to export are as follows:

1. Start IE, select Tools → Internet Options → Content → Certificate → Personal Tab Bar, select your digital certificate, click the Export button, the system It prompts Welcome to use the certificate export wizard, click Next;

2. The system asks whether to export the private key together with the certificate, select "Yes", and export the private key (if you selected the storage when applying for a digital certificate If the medium is a non-local computer, the private key exported by the system will be virtual), and then click Next. The system will ask you to choose the format of the exported certificate (the digital certificate file format of the exported private key is PFX), click Next;

3. When exporting the private key, the system will prompt you to enter the private key protection password. In order to prevent third parties from illegally using your digital certificate, please enter your private key protection password and click Next;

4. Select the path and file name of the export file, click Next, click the Finish button, and the system prompts that the export is successful. If you want to import, you need to start IE, select Tools → Internet Options → Content → Certificate, click the Import button, and follow the system prompts to complete the import.