There are many commerial security products available- some are better then others.
Windows 10 has both a Firewall and Windows defender Linkboth work very well for no cost.
I have been selling and supporting a product called Escan
Unless you are already using it, or Have told me you use an alternative, I install it as a fullt functioning trial product on pcs that I work on..
You can download the Escan installer for yourself here
I also install the remove program that uninstalls the product for those who do not wish to purchase a licence
The software requires an activation key every year Currently ( as of December 2020) it costs £36.00 for the licence for a year- Available from me.
I can install and configure it for you- including using remote access to relicence. -please ask
