YOu forgot the important part: How do you use WHAT in Cubase
Use the group tracks
Cubase 5 is no longer sold or produced due to the release of the newer Cubase 6 and Cubase 7. These newer versions of the software retail for $400 each.
Yes, for most people, it is.
Yes, it is only limited who is allowed to buy it.
Steinberg's Cubase 5 most likely, but it's still unknown.
Read the manual.
Reinstall the software
The installer should be on the DVD
its not possible yet.. and that's the bad thing in cubase i use Native Instruments kontakt 3 to reverse audio i hope they will change make it possible in the next version of cubase..
Add a track and press record.
You can get Cubase from Steinbergs website
On the Cubase Wiki, you can find information about Cubase software features, updates, tutorials, troubleshooting tips, and user guides.