Explore your house using the buttons underneath the room description.
Click on blue underlined text to look more closely at part of a room.
When there are actions you can carry out in an area (like taking an item), buttons will appear underneath the room description.
Click on an item in your inventory to see more information about it. Actions you can carry out using the item will appear underneath the item description.
It is not possible to take actions that will render the game unwinnable. You can always safely try any action.
It is not currently possible to save the game (sorry about that).