Identify four ways to prevent downloading of spyware, adware, and viruses to computer

2 answers

If any one can please I would be very grateful.
https://www.jiskha.com/questions/1790203/Inform-what-spyware-adware-and-viruses-are-and-that-they-may-be-bundled-into-downloads

Search at Google for how to prevent downloading of spyware, adware, and viruses to computer