Maintaining computers, mobile devices, routers, printers, and
so on will help them serve you better as they age. Humans need
sleep to clean our brains and other parts of our bodies.
Similarly rebooting devices clears caches, checks software and
hardware integrity. It is a good practice to regularly reboot
devices.
Check for Malware on PCs and Macs
Malwarebytes (PCs & Macs)
  https://www.malwarebytes.com/mwb-download/   
  https://www.malwarebytes.org/mac-download/
Cleaning Cruft from your Hard Drive
CCleaner (PCs & Mac)
  https://www.ccleaner.com/ccleaner   
CleanMyMac (Mac Only)
  https://macpaw.com
Check Internet Connectivity
  https://fast.com
  http://edu-observatory.org/olli/Connectivity/index.html
Manage the storage space on your devices, Don't let your Hard
Drive (Memory on mobile devices) get more than 80 percent
full. You need about 20 percent free for updates and normal
operation.
Say you are an Apple Mac user and you want to see what's on
your hard drive. System Settings > General > Storage
This graphic and clicking on Manage will give you some 
indication as what is filling your Hard Drive and suggestions
to free up space.
Managing Your Updates   
  http://edu-observatory.org/olli/Manage/Updates.html   
Managing Your Backups 
  http://edu-observatory.org/olli/Manage/Backups.html   
Managing Your Battery Health 
  http://edu-observatory.org/olli/Manage/Battery.html   
Don't let your Computers, Phones, and Tablets get so old that
they can't run the current operating system (OS) or do
security updates!
Contacting Microsoft
  https://support.microsoft.com/contactus/
  Phone: (800) 642 7676
  
Contacting Apple  
  https://www.apple.com/contact/
  Phone: (800) MY APPLE  (800-692-7753)   
     
     
     
 
    sam.wormley@icloud.com