No, the software is not compatible with Windows 10, because at the time of release, Windows 10 wasn't even mentioned. You will have to acquire newer versions of Nero in order to enjoy Windows 10 compatibility. For example, Nero Video 2016 is compatible with Windows 10 and packs more features than its predecessor.
Yes, Nero Video for Windows allows you to copy sections of a DVD.
Yes, it is possible to burn just a section of the DVD using the Nero Video program for Windows.
No, the software is not compatible with Windows 10, because at the time of release, Windows 10 wasn't even mentioned. You will have to acquire newer versions of Nero in order to enjoy Windows 10 compatibility. For example, Nero Video 2016 is compatible with Windows 10 and packs more features than its predecessor.