My "C" drive is a 250GB SSD. While doing some PhotoShop work last night I ran out of space on my HD. I had the "C" drive set as my "PS Scratch Drive" (temporary storage). I presently have 65GB of free space on the "C" Drive. I have now set in PS Preferences my "D" Drive as my Scratch Drive. Drives "D" & "E" are both 2TB Hard Drive with plenty of space. I looked at what all I have installed and I have all versions of CA all the way back to X3. The X3 Data Folder in Documents is over 10GB in s
On My Computer with a 250GB SSD I use windows ability to move Library Locations to another Drive eg D: and E: where there is plenty of Space , eg the Documents Folder , Pictures folder and also Videos. Music etc , all things that don't need the SSD speed usually. I also have OneDrive and Google Drive ( now Backup and Sync) on E: .
Open your User Folder scroll down to say Pictures , right Click it and Use the Location Tab in the DBX that pops up to move the Files to a new Folder on D