I just bought an older MacBook Pro for one purpose---to use a favorite editor program for a yearly work load. It has El Capitan version which is perfectly compatible (High Sierra, Mojave, Catalina make it unusable) and I don't want to update it or change it, but I know that Apple doesn't support it anymore. I don't plan to surf the internet, but I'd need Google or Bing to see images. I would not include an email account. Can I safely use it for my purpose without risk? Many thanks!