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1, CCB U shield signature, just use CCB industrial and commercial registration signature software.

2. Insert the U shield into the USB interface of the computer and log in to CCB official website; Select "Download Center" on the homepage to enter. In the download center, there is a U shield product column. Choose to download the 32-bit or 64-bit version. You can check whether the system is 64-bit or 32-bit in the properties of the computer, and then download the corresponding version.