its got xp on it, but im wondering how long would it take before this gets infected? to test this, what must I do? do I just leave the PC on or must I do some web surfing? its connected to the web and I've installed no AV protection. I have nothing better to do today so I'm experimenting. 
My Computer
At a glance
Win 7 Pro, Mac OS Sierra
- Computer type
- PC/Desktop
- OS
- Win 7 Pro, Mac OS Sierra
- Internet Speed
- fast. ;)
- Antivirus
- panda free
- Browser
- firefox mostly, safari, anything but IE. IE sucks!
- Other Info
- Mac user 27+, but I like windows 7. Very Mac like. My A+ cert is from 2008 and I don't work on computers every day, so i'm getting rusty. This forum is a BIG help.