Apple Users

The Sea Monkey application is out-of-date and will most likely never be updated to function with your 2014 Mac laptop. Also, your Mac laptop will likely face extinction from Apple in the very near future.

Backup all of your personal files to an external hard drive. Then activate a few of those files to be sure your backup is operational

(1) Consider replacing your existing battery with a new battery

(2) Consider upgrading your RAM (if possible) (from Crucial)

(3) Consider upgrading your HDD to a new 256GB SSD (from Crucial)

(4) Consider upgrading your OS to a newer OS (from Apple)

The following links (A here) (B here) (C here) and (D here) may help you along your journey...