The steps to set up the space qq signature file are as follows.

1. Log in to your qq and click the qq space icon, as shown.

2. Place the mouse under the setting icon and click the space setting option as shown in the figure.

3. Click on the space information under Personal Information on the left side of the page.

4. Find the signature file settings on the right, enter the contents of the signature file, and then click Save in the lower left corner.

5. Take the signature file when leaving a message as an example, enter the message content, check the signature file at the top and bottom, and click Publish.

6. Then click "Show Signature File" next to the message.

7. The location of the signature file is as shown in the figure.