If you are good at it, you can also put the signature of your mobile phone on your computer. Ignore this if you don't understand.

3. Put the signing tool and certificate together. Double-click the signature tool, press it according to the prompt, and the text will pop up and you can read it.

4. Right-click the certificate and click Import Certificate (Replace).

5。 Then, you can right-click the sisx file you want to sign and select Sign this file. After signing, a signed folder will pop up, which contains signed files.

6. You can install the signature file by transferring it to your mobile phone.