You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
ValveTime.co.uk | Valve News, Forums, Steam
Although I can scroll down and select Half-Life 2 in configuration it does not allow me to apply it, or any other changes I make... simply pressing ok does nothing and I have no use for CS:S entities. I have already deleted the sourcesdk folder and that changed nothing.