so i assumed you messed up the family pc? we have all done it. so when you get the pc replacement here are some tips! :D
don't download stuff from chinese/korean websites unless you know they are safe
DO NOT USE LIME WIRE
if you pirate games please use https://www.emulatorgames.net/ as it is the most safe
convert videos from https://ytmp3.cc/en14/ if you convert videos
try not to use dangerous websites and use antivirus/adblock
don't let this happen to your PC!
download antivirus! its not free though :(