Ok, step by step instructions:
Downloading and stracting1. Click on this link and download the file:
http://www.justadventure.com/IndependentDevs/SofiasDebt/Sofia%B4s%20Debt.zip2. Open the file with WinZip or any other uncompressor, and extract it to c:\sofia
3. Double click My Computer
4. Double click the C: drive
5. Double click the "sofia" folder
6. Double click "setup.exe"
Installation procedure7. Click "next"
8. Click "next"
9. Click "next"
10. Select the "Create a desktop icon" checkbox, and click "next"
11. Click "install"
12. Wait for the installation to finish, and then read the text that will appear, completely. It will be useful once you're playing. Once you finish, click "next".
12. Leave selected "Launch Sofia's Debt demo", and click "Finish".
In the configuration dialog that will appear, leave everything as it is, just click "OK".
Now,
you're playing the game. That's Sofia's Debt. Hope you like it.
If you want to play again in a later time, just double click the "Sofia's Debt" icon in your desktop.