Tested on Dell Latitude 7890 & Win10 pro 19041.450.
System:
Search: Win + Q / Win + S / 触摸板三指轻触
Open settings: Win + I
任务视图:Win + Tab / 触摸板三指上扫
Open Explorer: Win + E
Switch apps: Alt + Tab / 触摸板三指横扫
Open advanced user functions: Win + X
Open notification center: Win + A
Open apps on taskbar: Win + 1/2/3/4...
Modify current window position: Win + Arrows
Show Desktop: Win + D / 触摸板三指下扫
Take a screen snip: Win + Shift + S
Windows Terminal:
change all ctrls to alts
Select Tabs: Alt + 1/2/3/4/...
Close Tabs: Alt + W
New Tab: Alt + T
Open a preset tab: Shift + Ctrl + 1/2/3/4/...
Japanese input:
Switch hiragana & romaji: Shift + Caps Lock
Switch to hiragana: Ctrl + Caps Lock
Switch to A: Alt + ~
Switch to katakana: Alt + Caps Lock
Switch languages: Win + Space / Alt + Shift
more to add in the future.