The download was accompanied by the manufacturer with on-screen instructions. There were no problems. The software, called Antivirus Plus, monitors but also the Web. I have installed Windows 8.1 and can say right now that the software PROBLEM- work freely. In Internet Explorer, an additional logo was for the pasted on the desktop in the top menu bar. About this logo can also perform functions in the Explorer. My conclusion: a very good program to a sensationally low price.