I can not download the app.

Hi Priyaphonm65794333,

Kindly refer to the below links for help:

Creative Cloud Help | Download Error in Apps tab of Creative Cloud Desktop Application

If the link above doesn't help, please follow the below steps:

1- End Process/ Task from Task Manager in the same sequence as mentioned below from task manager. see, Open Task Manager

• Creative Cloud
• Core sync & Core sync Helper
• CC library & CCX processes
• Adobe Desktop Common
• Adobe Update daemon
• Adobe IPC Broker
• After this anything that says adobe on it do a force quit for it

2- C:\Users\<user_name>\AppData\Local\Adobe\ AAM UPDATER  and OOBE both ( App data & Program Data is hidden folder please see, Show Hidden Files and Folders in Windows 7, 8.x, 10, or Vista  )

3- Turn OFF any security software installed along with system Firewall, also if your have any browser Add On installed for advertisement blocking turn that Off too.

****These changes are temporary you can revert these changes back to normal once your Creative Cloud app is up and running ****

4- Launch Creative Cloud app again and sign in

Let us know if this helps.