How can I quickly find and remove duplicate files on PC?

Hi guys I have a question:
My office PC has accumulated duplicate documents, photos, videos, and other files after years of backups and repeated downloads. Manually checking folders is taking too much time, and I am worried about deleting the wrong files. I am looking for a reliable way to scan different folders, identify duplicate files, compare them, and safely remove unnecessary copies. Meanwhile, I searched and found a tool named as SysTools Duplicate File Finder seems useful for simplifying this process by locating duplicates efficiently and helping users manage storage without manually checking every file. Have anyone used this tool? Is it worth to purchase?

Source: https://www.systoolsgroup.com/duplicates-finder/