How can I get all the patent data?

The method of patent download is as follows: Go to the website of China National Intellectual Property Administration, China, and click "Patent Search Query"; 2. Select "Patent Retrieval and Service System" in the newly popped-up page; 3. Enter the user name, password and verification code (if no one is registered), and click "Patent Search"; 4. Select "General Search" in the pop-up page and enter ""