If you are a PC users (I am not) then you should watch this video..
Programs you should NEVER install on your PC.
1:08 Norton
2:03 McAfee
4:17 NordVPN (kinda disagree - Nord is excellent just depends on your needs)
7:53 Shopping extension
11:03 PC speed booster
15:51 Pre installed software
17:36 Other software included in free programs
18:30 Precautions in pirating software