Open the Settings app on your watch. Tap on the top item, Time. Tap on the button in the middle of the screen. Turn the Digital Crown to adjust the time; tap Set when done.
Windows Vista does not have sufficient protection on it's own. Avast is legit, and it runs on the background, because it's protecting your system all the time. Run an updated full scan with: Malwarebytes and Spybot Search & Destroy Therafter check through with your anti virus, just to ensure it still works.
Installing Avast Internet Security 2014 takes you through just a couple of screens. Regrettably, one of those screens is a software push for installing Google Chrome as your default browser and the Chrome Toolbar for Internet Explorer.