If your Apple ID was active between 2014 and 2017, log into the Mac App Store on your old machine. Go to your Purchased tab. Clicking download from this specific menu often prompts Apple's servers to automatically offer the last compatible version for your operating system, eliminating the need for third-party patches.

: Following the ambitious 2013 redesign, Apple spent 2014 and early 2015 restoring missing features like custom toolbars, vertical rulers, and advanced presenter display options.

Because Apple has delisted older versions of Pages, Numbers, and Keynote from standard search results, you must pull them from your account history: