Hi Konners51820953,
You have mentioned you would like to install your Adobe Creative Cloud apps on your computer however it says that the primary drive is full. This could be because the default location to install the apps is set as the primary drive of your machine.
You can configure the installation destination from within the Creative Cloud app preferences however, we would suggest that you install your application on the primary drive or C drive only.
Please be aware that there will still be shared resources stored to your primary drive, In addition during the install process temporary files will also be created on your primary drive.
Please see screenshot below for more information:


Note: If you have already installed apps then you'll have to uninstall them and make the location changes in Creative Cloud Desktop app, after that reboot the machine and now install your apps again and it should install on the new selected location.
Let us know if this helps.