NS-ESD-Def-22.8.1.14-EN appeared in Bin Can I delete.?

Found NS-ESD-Def-22.8.1.14-EN in my computer bin. Very large file. Can I delete...? Would it be somewhere else or something I need to keep..?

Many thanks.

As you can guess I am not very technical 

Yes, you may delete.
Looks like an old Norton def (virus definitions) setup file from ~ 2016

https://community.norton.com/en/blogs/product-update-announcements/norton-2281-product-update-available-now