Security is very important in any field
PC is today`s one of the most important property which needs to be secure
I have some tips to secure your PC
Never use free anti virus or any software( or crack version)
because it may be some bugs or thread which is free for you but
uses spying software for hacker so avoid it.
another is always use anti virus for PC and hacking security.
regularly clean catch data from PC to speed up it`s performance.