If you have an original CS4 DVD or a serial number from 2008-2010, Adobe allows you to download the installer from their official archives.
Often on sale for a one-time fee ($70 range). It is faster than CS4 and compatible with all modern hardware. photoshop cs4 version 11.0 free download
This revolutionary tool allowed users to resize an image while keeping important subjects (like people) at their original proportions. If you have an original CS4 DVD or