You are allowed to change the region code up to 5 times, please follow the instruction below:

1. Click [Start] and right click on [Computer] then select [Manage].
2. Click [Device Manager] > [BD Device] > [DVD Region] and select your country, then click [OK].

   

3. Execute Corel WinDVD and enter set-up page.
4. Click [Region] tab and you will see a scroll bar under "Current Region", kindly change [DVD Title] to [BD Title].
5. Select A. / B. / C. accordingly to your region.
6. Finally, click [Apply] and then [OK].