The initial PIN code is: 123456

Trademark digital certificate installation guide:

1. Download the digital certificate driver and security application control from the China Trademark website/ ef download.

2. After downloading, it is a compressed package file named "Usb-KeyDriver20111019.rar". After decompressing, double-click "External Network Terminal Installation-Application Control" to install. The driver will automatically exit after installation.

Install the digital certificate driver. After the installation is completed, you can right-click "My Computer" and select "Properties" - "Hardware" - "Device Manager" to see "HID-compliant devece" and other contents, indicating that the KEY driver is successfully installed.

3. After the driver is installed, you need to restart the computer, and then insert the digital certificate (KEY) into the USB port. Select the application system you want to access and enter the PIN code (initial PIN code: 123456) to access the application system.

Extended information

Trademark digital certificates are required for trademark agencies to become users of the Trademark Office’s online trademark application system. They are issued by the Government Affairs Extranet Identity Authentication Center of the State Administration for Industry and Commerce (hereinafter referred to as "CA Center") is responsible for reviewing and issuing user identity authentication certificates to ensure that the online application system can correctly identify the entity's identity when exchanging interconnected information.

Notes on the installation and use of the trademark digital certificate driver:

1. If the terminal has previously installed the KEY driver, it must be uninstalled first and then reinstalled with the new version.

2. Before installation, close other applications, such as IE browser, Windows Firewall, 360 anti-virus software, etc.

3. After installing the digital certificate security application control, there is a newly generated 'Password Control' directory group in 'Start' - 'All Programs'.

4. It is recommended to use the default path when installing the driver to prevent the system from prompting "Key cannot be recognized" after the security application control is successfully installed.

State Administration for Market Regulation-Digital Certificate (KEY) Installation Guide

Baidu Encyclopedia-Trademark Digital Certificate