How to install 360 Total Security on my PC?
There is no special procedure to install 360 Total Security. You just visit the official website and download the installation package, then launch it from where it was saved and follow the installation instructions.
Download page: https://www.360totalsecurity.com/en/
Note: I advise choosing other security solution because I've encountered serious issues with this software. Not to mention that it displays ads and all kinds of offers.
Choose something that has a better reputation instead: http://software.informer.com/search/internet+security