From Amy Brennan:
To enable Apps Tab, please follow these troubleshooting steps:
1.) Navigate to following location:
Windows: C:\Program Files (x86)\Common Files\Adobe\OOBE\Configs\
Mac OS: /Library/Application Support/Adobe/OOBE/Configs/
2.) Locate the serviceconfig.xml file & copy it to your desktop folder. Open the file in Notepad (Windows) or TextEdit (MacOS).
3.) In serviceconfig.exe file, change the value of AppsPanel from false to true.
4.) Save & Close the serviceconfig.xml file.
5.) Relocate the same file to the original folder & overwrite the original file with the new file.
6.) Restart your system & run the CC app.