: Double-click the Spybot icon on your desktop or search for "Spybot" in the Windows search bar.
Spybot, short for Spybot Search & Destroy, is a free software application designed to detect, prevent, and remove spyware, adware, and other malicious software from computers. First released in 2002, it became widely recognized for its effectiveness in combating malware threats at a time when such threats were becoming increasingly prevalent. Spybot offers features like registry protection, immunization against known malware sites, and the capability to detect and remove a vast array of spyware.
: You can buy a professional or corporate license directly from the Spybot Home User Free Version