Windows:
1- Show/hidden
2- dxdiag
3- device manager
4- typing study -> https://www.typingstudy.com/
5- taskbar/theme
6- partition/folder/file
7- keyboard buttons
8- tab/ribbon
9- preview pane
10- sort by
11- search
12- disk management
13-file path
Office:
Word
Execl
Powerpoint
Access
This PC: win + E
DeskTop: win + D
Show/Hide Desktop Icons: Start Menue -> theme -> disktop icons
File system/
New folder -> ctrl + Shift + N
Run -> win + R