Answer :
Piracy is a term used to describe the practice of obtaining or using software in a manner that is illegal or not in keeping with the terms under which the software was distributed. This can range from purchasing or copying the software, to using the software without a license, to selling, renting, or otherwise distributing it without authorization.The Business Software Alliance estimated the losses to software companies in 2005 as a result of piracy at over $30 billion.
Hackers can get your personal info and passwords and everything important etc. it can slow down you computer.
