Temporary internet files are located in:
C:\Users\(User name)\AppData\Local\Microsoft\Windows\Temporary Internet Files
To see this folder, you must change your folder view
From any folder, click on organize, on drop down menu choose folder and search options. Click on view tab, scroll down and put check next to show hidden files, folders, and drives. Also untick Hide protected operating system files (Recommended).
Now temp internet files can be seen in
C:\Users\(User name)\AppData\Local\Microsoft\Windows\Temporary Internet Files
I suggest not leaving Hide protected operating system files (Recommended). unticked.
A Guy