Kubuntu Installation help !!!?

Question

I downloaded Kubuntu installation file from the official Kubuntu website, i opened the file, finished the installation and now gives me 2 option, reboot now or reboot later, i have a 40GB HDD ( which i previously had partitioned to a 24 GB (C: drive) and a 16 GB drive (D: drive), now i have put aside 7 GB for kubuntu from the C: drive. i am only worried that if i press reboot now, it will erase all my previous my files

Answer 1

only the data in the primary disk partition where u installed kubuntu will be deleted