After installing Norton product like Norton Internet Security or Norton 360, you can notice ‘Norton Installation Files’ folder on the desktop, which is actually a shortcut points to Public Downloads folder in C drive, for e.g. it looks like this : ‘C:\Users\Public\Downloads\Norton\{NS220067-Beta-FSD50051}‘.
You’ve nothing to do with these files -contains full installer- which are needed for re-installation purposes, if you can reinstall Norton Product like as you installed it before, you can go ahead and delete those files.
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Norton installation files folder on desktop
As you know: Symantec lets you install Norton product through online only, after downloading required files to install the product on your computer, it left those files and placed a shortcut for that folder on the desktop for you to notice, which you can save them in another drive and use whenever you needed to reinstall Norton Security offline without visiting Norton’s website.