All good points for being safer thanks!
I have a windows 7 pc that I am using now for the last 2 months, before that I was always ubuntu. What is a good malware checker that I can try to use just to be 100% certain. I only started using this computer because I need to use photoshop and some other programs that only work on windows.

I'll be safer with the blockchain account and do the usb pen thing, good idea.