If you do not want people to know what you have done in front of the computer and want to preserve the privacy and confidentiality of your time on the PC then you need a program such as Keep your privacy 3.0 which erases all the trail you have left, deleting the stored data and other residuals of information that always remain after using the computer.
Clear browser history (IE, Firefox, Opera, Netscape), cookies, temporary, cache, instant messaging conversations (ICQ, iMesh, ICQ, etc).
Its deletion method guarantees the unfeasibility of recovering such data even if specific recovery programs are used.
You can free download Keep your privacy and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809