Laptop and wireless network help please

[Doug]

Originally Posted by Delphinus

For security there's WEP, and WPA and WPA2. WEP encryption was cracked eons ago so don't bother but WPA2 should still be OK I think. Unless you're OK with giving your neighbours free internet access (although there are incidents of creeps though who drive around looking for unsecured wifi points to download kiddie porn and so on so it just makes sense to lock your network down anyhow). Basically you just get a network access key password generated and you have to enter it anytime you have a new device you want to connect to your network. No biggie.

So laptop newbie question. Is this security, something you download, comes with the router, buy it or what ??