You don’t actually need a risky serial key to use Pegasun. The developers offer official ways to access their tools without breaking the law or your computer:
It wipes your browser history and tracking cookies to keep your online activity private. Is There a Legal Way to Get It for Free? Pegasun System Utilities Serial Key Free
are included in the free versus the paid version of Pegasun System Utilities? You don’t actually need a risky serial key to use Pegasun