Always feel that there is something wrong with the software downloaded by the mobile phone? How to feel obsessive-compulsive disorder is serious? I am always worried that there is something wrong with the downloaded software, and I am always willing to delete it. Just go to the formal way to download the software. I have been to Huajun Software Park, Pacific Software and Dortmund Software before. Later, I felt that the software version there was too messy and there were Trojans, so now I trust 360 software manager and download it from it. At present, the software on my computer is directly downloaded from official website, which is the safest.