Just select the package according to your version of OS X. If you are unsure what to download, simply click on the menu in the menubar and select „About this Mac...“. There you can see which version of OS X you‘re running on your Mac. Mac OS X 10.12.x Sierra *** updated 07.01.2017 *** ➡GIMP 2.8.18 for Sierra (internal: 2.8.18p1, md5: f2732dea423322f968f2a64116993a16 ) Mac OS X 10.10.x Yosemite &