How to Connect Your Windows 8 Tablet to a Wireless Network
From any screen, summon the Charms bar by sliding your finger inward from the screen’s right edge.
When the Charms bar appears along the screen’s right edge, look at the dark rectangle that also appears near the screen’s bottom left. A glance at the icon in the rectangle’s upper-left corner shows when you’re within range of a wireless network.
If you’re within range, move to Step 2. Not within range? Move to another spot, hopefully one with clusters of people huddled over their tablets and laptops.