When installing Nero software, you could customize the installation location and installed applications.
If you are running stub installer, in the EULA screen, there is a Setting button in the top right corner. Click it will open Advanced settings. You could Customize the installation details here.
If you are using offline installer, in below screen, click Installation Settings button will open the setting dialog. You could customize the applications and location here.
If you don't need some applications to be installed, in the Installation Settings screen, please right click on the application, select the last option 'This feature will not be available.' and continue.