How to register my Pocket PC version with my transaction number?
Besides the subscription the buy-version doesn't need an internet connection urgently. But if you have one the register process is much easier:
Hint: If you have connected your mobile device to your PC using Microsoft ActiveSync (or Mobile Device Center), you can use the PC's internet connection to register. Please ensure that you do not interrupt the connection between your mobile device and PC during this process.Click on the tab with the copyright sign, then 'Register ->Edit':

Choose the option 'I have purchase a full license' and click again on 'Register':

Should you have purchased a SiDiary USB stick, the transaction number can be found by starting SiDiary on the stick and then switching into the menu 'Help -> Register'..
Enter your transaction number (starting with the letter 'M') and click on 'Register' to finish the registration:

You will get a success message; the registration has been done on the Pocket PC:
And if I don't have an internet connection on my mobile device?
In this instance, SiDiary will attempt to establish an internet connection before displaying the following message, which you can then select 'OK' on:Here you can enter your serial number and your transaction number; you will get then the license key be email automatically.
If you don't have any internet connection you also can request for the license key by phone: +49 (0)6101/590 90 99
If you have any problems with it please don't hesitate to contact us at support.sidiary@sinovo.de. We will be glad to help you!