Licensing functionality has been improved. Try using the following license key (valid for two months): l/G0Zi4zdBkB6ma3pEhAAm7vbVB5twqg6T3CZBKO+VTI2iTdaPHut9PKjR0esTDo!nFx2AtcExLc= If you’ve already installed Simple Data Logger, it should update to version 0.4.7 automatically. Otherwise, click here to install it. Simple Data Logger is currently free to use for testing purposes, paid licenses will be available soon.