Click on the provided link to 'Run' or 'Download' the Free Trial version of Unlock the Block for Windows. If downloaded, you can double click this file to begin the install of Unlock the Block on your PC. A desktop shortcut will be automatically created for you, so that you may run the game from there. It is important not to move any files out of the installed game folder or Unlock the Block will no longer work.
*Note: The save game feature is only available in the full version of Unlock the Block.