A lot of free antivirus software, but are annoying with advertising, in fact, the system comes with free antivirus software.
computer
Windows 7 and above
Open your computer's web browser, type in www.baidu.com at the web address, and press Enter.
Enter microsoft security essentials in the search box that opens and press Enter.
In the screen that opens, click the first microsoft security essentials that shows the official website.
In the open page, drop down to find the corresponding version and language of your system, click.
Click Run in the box below and follow the prompts to install it.
After the installation is complete, restart the computer once and open the anti-virus software.
Windows 10 system has been integrated, no download can be used.
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