1. If the digital certificate has been applied for the account, you need to install the digital certificate when you use the balance, fast payment by signing a contract, balance treasure, etc. on other computers; You can click Install Digital Certificate according to the page prompts.

2. Log in to Alipay account on the computer side, and in the security center, on the digital certificate management page, click Install Digital Certificate.

There are three ways to install a digital certificate: via SMS, receiving an email from Alipay official website-Service Hall, answering security questions, and submitting a customer service application form.

1. Install by SMS (premise: the mobile phone number bound to Alipay account is normal and can receive SMS).

At the entrance of installing certificate, click Install Digital Certificate, select SMS, and then click Next (SMS is the default when the cashier page is installed). Click here to enter the installation certificate page.

2. Select the place to use the certificate and enter the verification code.

3. Enter the check code received on the mobile phone and click OK; What if the phone can't receive the check code? )

Accept the email and answer the security question to install it (if you don't see this email option, please choose another way to install the certificate).

Alipay official website-How to use Alipay digital certificate?