Change Mobile / Wi-Fi Hotspot Password - Windows® 8
From the right edge of the screen, swipe left to display the charms menu.
If using a mouse, move the pointer to the upper or lower-right corner of the Start screen then move up/down.
Alternatively, press the Windows+C keys ( +C) located on the physical keyboard (if available).
Tap or click Settings.
Tap or click Change PC settings (located in the lower-right).
From the left-pane, tap or click Network.
If not available, tap or click the Back icon (located in the upper-left) as necessary until "PC settings" appears in the upper-left.
Ensure that "Connections" is selected from the left-pane then tap Verizon Wireless from the "Mobile broadband" section.
Ensure that the "Share this connection" switch is turned on .
Depending upon personalization options, the switch colors may differ from the examples depicted.
Tap or click Edit.
Enter the preferred password in the Network password field then tap or click Save.
Password must be at least 8 characters, see example image below.