C:\Program Files\Adobe\Adobe Illustrator [Version]\Presets\[Language]\Swatches\Color Books
To get full Pantone features in Adobe Illustrator, you must now use the extension , as pre-installed libraries were phased out in late 2022. Official Method: Pantone Connect download pantone colors for illustrator
If you have an older version of Illustrator (v27.0 or earlier), copy the files from the Presets > Swatches > Color Books folder and paste them into your new version's folder. The Manual Method: Pantone Color Finder you must now use the extension
For users with the latest version of Illustrator and a valid Pantone license, the Pantone Connect panel is the industry standard. download pantone colors for illustrator