The only reliable way to would need to go to hell for me and can't potential for malware to get to previous versions of Adobe.
The only reliable way to get older versions is via the Prodesigntools website which has safely been providing download links to previous versions of Adobe software for many years. Photoshop CC Hi victoriah there are only links for and back - if you click the and newer it will take you to the Adobe page as they are no longer available. There are a few close competitors, but they are not so unique and user-friendly simultaneously.
