To apply for SF Express e-Trademark Express, you need to follow the steps below:

1. Log in to the SF official website and select the "E-Trademark Express" service on the homepage;

2. Enter the "Electronic Trademark Express" application page and carefully read the relevant agreements and terms;

3. Fill in and submit personal information and company information, including name, contact information, company name, company address and other information .

Please note that the above steps apply to applications from individual or corporate users. If you have any questions or need help, please feel free to contact SF official customer service.