If you do not know How to Update Internet Explorer, then to Update it, follow the bellow steps:-
Step 1: Go to the Internet Explorer 11 download page
Step 2: Scroll down to your preferred language and see a list of languages on the left side of the page.
Step 3: Click your operating system, and You will see your computer's operating system to the right of your selected language.
Step 4: The Windows 7 setup file will work on Windows 8.1 and Windows 10 as long as you choose the correct format of your version of Windows, 32-bit or 64-bit.
Step 5: If you don't know your computer's bit number (e.g., 32-bit or 64-bit), you can view it by right-clicking This PC, clicking Properties, and looking for the bit number to the right of "System type".
Step 6: Double-click the Internet Explorer setup icon.
Step 7: Click Yes when prompted.
Step 8: Follow the on-screen instructions.
If you have any queries regarding Internet Explorer, then you can contact with Internet Explorer Customer Support executive by dialing ☎ +1-(269)-(409)-1989. You can call the tech expert at any time 24/7.