Starting with Firefox version 49, Firefox requires Mac OS X 10.9 (Mavericks) or higher. Visit this Apple Support page to find your Mac OS version.
![Download keynote for mac 10.12.6 Download keynote for mac 10.12.6](/uploads/1/2/4/3/124381789/510857731.jpeg)
Download Keynote for macOS 10.15 or later and enjoy it on your Mac. Easily create gorgeous presentations with Keynote, featuring powerful yet easy-to-use tools and dazzling effects that will make you a very hard act to follow. How I can download an older version of Keynote that is compatible with my Mac Book Air with OX 10.6. IWork 09 which contains Keynote Numbers and Pages is compatible with Snow Leopard, it is not available as a download, it is available on a DVD disc from Ebay and Amazon at a very reasonable cost.
If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version that Apple supports. Visit this Apple Support page to learn more about upgrading your Mac.
Note: If you have Mac OS X 10.7 (Lion) or 10.6 (Snow Leopard), you will need to download OS X El Capitan before you can upgrade to the latest Mac OS.
Download Keynote For 10.12.6
While insecure versions of Firefox will continue to work on OS X 10.8 and earlier, using an up-to-date version of Firefox on a supported version of Mac OS will provide you with the best and safest user experience.