Looks ok . . .

I recently bought this game from steam. When I went to install it steam gave me a message box saying that in order to install it I had to link the purchase with my line rider 2 unbound account. So I clicked the link to login to my existing account or create a new one. The link opens up in internet explorer and windows security pops up saying I need to supply credientials. I type my username and password - I've tried both a standard user and an admin account - and it prompts me to enter it again... then a...

This game need to be revempt for Steam Workshop

GG

This probably sounds like a stupid question, but the reason I ask this is because I own the game physically (I got it for Christmas of 2008), and I installed it again, and everytime I load it up, it say that I don't have a internet connection (even when I'm fully connected to the internet). Will the game log into my Steam account? Is my copy of the game obsolute? Any help will be thanked....