Can't Open Numbers Files on iCloud....
Yesterday, I could, but today I can't. I have a file that I've been logging blood pressure, heart rate, and weight since I was in the hospital in June. This morning, when I attempted to open and update the file with new readings, my Mac gave me a message that said "Time To Update." If I choose 'Not Now', nothing happens. When I attempted to update Numbers, I received a message stating 'Numbers can't be installed on this Mac'. I even downloaded a copy,and am still re-directed to the app store. I am running El Capitan on an iMac (20-inch, Mid 2007). I know I need to update the OS, but the new OS won't work with my computer. I can't afford a new computer. Apple is holding my files hostage until I get a new hardware platform to run a newer OS. Thanks Apple. Any help available would be greatly appreciated.
iMac, OS X El Capitan (10.11.2)