3.15 Select Type of Installation
If custom partitioning is needed then select Create custom layout.
3.16 Check (and modify) Partition setup
3.17 Write Changes to Disk
3.18 Configure Boot Loader
3.19 Customize Package Selection
I selected here Software Development Workstation, but you could choose example Server or Desktop and customize packages even more.
3.20 Starting Installation
3.21 Installing CentOS 6.8 packages
3.22 CentOS 6.8 Installation Completed