To install software/games on your Nokia S60 or Symbian S60 using a windows Xp or Vista Computer do the following:
1. Set your phone to data transfer (Menu>Settings>Phone Settings>Connection>USB>USB Mode>Data Transfer.......then set Ask on Connection which is underneath USB Mode to 'NO').
2. Connect your mobile phone to your computer through USB cable.
3. Open My Computer>Select your phone (may be named 'removable disk')>Click 'Others'.
4. Drag your game or program or application which should have the .sis, .sisx or .jar extension into the 'Others' folder.
5. Safely remove your mobile phone. (Using the little icon in the bottom right hand corner)
6. Open file manager on your mobile (Menu>Settings>Data Manager>File Manager).
7. Click 'right' to move to your memory card.
8.Go down to 'Other' and open the folder.
9. Click on your application/game/program and install it.
10. You will now find your software in 'Menu', if not it will be in the 'Applications' folder.
11. Have fun