New 2020 senior Computer Handbook. Basic Technology for Beginners, New Computer Standards for 2020.Hidden Windows Tools and Utilities for Beginners and Seniors.The Explorer Shell and how to use it. How to keep Computers cleaned and Safe from corrupt registry and junk. Windows hidden tools revealed. Ease of use with the new 2020 Technology.How to get more performance from Windows using the hidden tools.The new WiFi 802.11/AX and other Utilities.