(How to use 1. Download the official mobile version 2. Unzip it to a directory, then put the "updater" in the root directory, it will automatically prompt if it is misplaced 3. Run the main antivirus program, and click Jiangmin 2010-2011 mobile version updater "One-click upgrade", the upgrade window will pop up automatically, and you can automatically upgrade when you click on it. There is a prompt in the firewall during the upgrade process, please let it update. The first update may take a long time, and the incremental upgrade will be faster in the future. 4. After the upgrade, click "Clear Upgrade Junk" to delete junk files in the upgrade process.)