2. Turn off all protection programs of 360 (or other companies), or they will kidnap your IE7 or kill it as a virus!
3. Download CFC client according to the prompt, decompress and install before upgrading.
4. Download the digital certificate and double-click it to install it (put them in a folder).
If it is really not possible, you can call the patent office for consultation (you can call the local agency, they may be more leisure).