Hello! We're sorry to hear you're having problems. Try to check the requirements for your pc, I copy them here to make it easier for you:
Windows
- Version: Windows XP or higher.
- CPU: 2.0 GHz Core 2 Duo
- RAM: 2.0 GB
- Graphics: OpenGL 2.0 or DirectX 9.0c
Also try to see if you have enough memory on your computer to be able to save it. We hope it helps, but if not, we will try to help you in any way we can.