44EnglishWhy is there a new interface?The new interface for Windows 8 is designed to work well with touch input. WindowsStore apps will automatically use the whole screen and don't require closing in thetraditional way. Windows Store apps will be displayed on Start using live-tiles.What are ’live tiles?’Live tiles are similar to thumbnails of the apps that will be updated with new contentwhenever you're connected to the Internet. So, for example, you can view weatheror stock updates without needing to open the app.How do I unlock my computer?Press the any key and click on a user account icon to unlock the computer. If youraccount has a password set, you will need to enter the password to continue.How do I personalize my computer?You can personalize Start with a different background image or by arranging the tilesto suit your personal needs.To change the background, press the Windows key + <C> and click Settings >Change PC settings > Personalize. Click Start screen at the top of the page andselect a color and image.How do I move tiles?Click and hold a tile to select it, then drag it to the place on Start that you want it toappear. Other tiles will be moved to accommodate the tile in its new location.Can I make tiles bigger or smaller?Right-click on a tile, then select Smaller or Larger from the menu that appears atthe bottom of the screen.How do I personalize the Lock screen?You can personalize the lock screen with a different image or to show you quickstatus and notifications to suit your personal needs.To change the background, press the Windows key + <C> and click Settings >Change PC settings > Personalize. Click Lock screen at the top of the page andselect the image and apps you would like to see on the lock screen.