[header] How to change adobe illustrator to cmyk [title] Open adobe illustrator. [step] Click the illustrator icon on your desktop, or find it in the search panel at the lower left corner of your screen (click the windows icon to open the search bar). [substeps] If you have a mac, click the finder icon in the lower-left corner of your dock. 
From the go menu, select applications and scroll to adobe illustrator. Or, if illustrator is pinned to your dock, click the illustrator icon.