CompSCI Model
1. HW
2. OS
3. App
4. Data

All of this goes beyond libraries

  1. [URL] Explain Later
  2. [URL] Most Common OS, [URL] Download Windows 10
  3. [URL] Best Free [1], [URL] General, [URL] Adobe, [URL] Free Office Options,[Free] Best Free [2]
  4. [URL] Example Free Excel Template

My Favourite Free Alternative to MS Office?
There is several products out there though, I like this one for simplicity.

Example Easy Beginner Website:, has more text orientated accuracy
Example Medium Beginner website, has greater visual accuracy