i'm not a fan of installing something from the web to protect my coin, i have nothing against your software, but one never know
I am pretty tech-savy I know all shit about viruses and such...
I have windows 10 installed since its been out and never had any virus infect my pc but you never know what can happen in future so I think hardware wallet is best solution for me
windows 10 is not really ideal for saving your coin on a codl storage, or even worse running an hot wallet
Wndows 10 is also practically a virus in itself.
Possibly would be a good didea to test that site on somewhere like virustotal.
You wouldn't really use software for cold storage as it is supposed to be offline.