Always Show Taskbar Icons
Hit windows + R
key and type the following to directly bring up the corresponding settings and change it instead of searching though complicated settings
Always Show Taskbar Icons using AHK Script
Download AHK and create a file name `ToggleNotificationAreaIcons.ahk`. On running that file in AHK this script will bring up the relevant control panel window and automatically toggle the state of taskbar icons.
Show File Extensions
To always show file extensions. Download the file or copy the following text into a .reg
file and run it.