Quick Look selected item

`⌘ Cmd` + `Y`

All hotkeys for Apple Finder

File and window related New Finder window	`⌘ Cmd` + `N`
File and window related New folder	`↑ Shift` + `⌘ Cmd` + `N`
File and window related New Smart Folder	`⌥ Option` + `⌘ Cmd` + `N`
File and window related Open selected item	`⌘ Cmd` + `O`
File and window related New tab	`⌘ Cmd` + `T`
File and window related Close window	`⌘ Cmd` + `W`
File and window related Close all Finder windows	`⌥ Option` + `⌘ Cmd` + `W`
File and window related Show Get Info for selected item	`⌘ Cmd` + `I`
File and window related Duplicate selected files	`⌘ Cmd` + `D`
File and window related Make an alias of selected item	`⌘ Cmd` + `L`
File and window related Show original for selected alias	`⌘ Cmd` + `R`
File and window related Quick Look selected item	`⌘ Cmd` + `Y`
File and window related Add selected item to sidebar	`Control` + `⌘ Cmd` + `T`
File and window related Add selected item to Dock	`Control` + `↑ Shift` + `⌘ Cmd` + `T`
File and window related Move selected item to trash	`⌘ Cmd` + `Del`
File and window related Find	`⌘ Cmd` + `F`
File and window related Add Tag to selected item	`⌥ Option` + `⌘ Cmd` + `T`
File and window related Eject selected device	`⌘ Cmd` + `E`
Finder viewing options View as icons	`⌘ Cmd` + `1`
Finder viewing options View as list	`⌘ Cmd` + `2`
Finder viewing options View as column	`⌘ Cmd` + `3`
Finder viewing options View as cover flow	`⌘ Cmd` + `4`
Finder viewing options In list view, expands the highlighted folder	`⌘ Cmd` + `→`
Finder viewing options In list view, collapses the highlighted folder	`⌘ Cmd` + `←`
Finder viewing options In list view, expands the highlighted folder and all subfolders	`⌥ Option` + `⌘ Cmd` + `→`
Finder viewing options In list view, opens the selected folder	`⌘ Cmd` + `↓`
Finder viewing options Arrange by none	`Control` + `⌘ Cmd` + `0`
Finder viewing options Arrange by name	`Control` + `⌘ Cmd` + `1`
Finder viewing options Arrange by kind	`Control` + `⌘ Cmd` + `2`
Finder viewing options Arrange by date last opened	`Control` + `⌘ Cmd` + `3`
Finder viewing options Arrange by date added	`Control` + `⌘ Cmd` + `4`
Finder viewing options Arrange by date modified	`Control` + `⌘ Cmd` + `5`
Finder viewing options Arrange by size	`Control` + `⌘ Cmd` + `6`
Finder viewing options Arrange by tags	`Control` + `⌘ Cmd` + `7`
Finder viewing options Show view options	`⌘ Cmd` + `J`
Finder viewing options Show or hide the path bar	`⌥ Option` + `⌘ Cmd` + `P`
Finder viewing options Show or hide the sidebar	`⌥ Option` + `⌘ Cmd` + `S`
Finder viewing options Show of hide the status bar	`⌘ Cmd` + `/`
Finder viewing options Show or hide a Finder tab	`↑ Shift` + `⌘ Cmd` + `T`
Finder viewing options Enter or leave full screen	`Control` + `⌘ Cmd` + `F`
Quick ways to navigate Go back to previous location	`⌘ Cmd` + `[`
Quick ways to navigate Go forward to previous location	`⌘ Cmd` + `]`
Quick ways to navigate Go to enclosing folder	`⌘ Cmd` + `↑`
Quick ways to navigate Open the Applications folder	`↑ Shift` + `⌘ Cmd` + `A`
Quick ways to navigate Open the Computer window	`↑ Shift` + `⌘ Cmd` + `C`
Quick ways to navigate Open the Desktop folder	`↑ Shift` + `⌘ Cmd` + `D`
Quick ways to navigate Open All My Files window	`↑ Shift` + `⌘ Cmd` + `F`
Quick ways to navigate Open Go To Folder window	`↑ Shift` + `⌘ Cmd` + `G`
Quick ways to navigate Open the Home folder	`↑ Shift` + `⌘ Cmd` + `H`
Quick ways to navigate Open iCloud Drive folder	`↑ Shift` + `⌘ Cmd` + `I`
Quick ways to navigate Open Network window	`↑ Shift` + `⌘ Cmd` + `K`
Quick ways to navigate Open Downloads folder	`↑ Shift` + `⌘ Cmd` + `L`
Quick ways to navigate Open Documents folder	`↑ Shift` + `⌘ Cmd` + `O`
Quick ways to navigate Open AirDrop window	`↑ Shift` + `⌘ Cmd` + `R`
Quick ways to navigate Open Utilities folder	`↑ Shift` + `⌘ Cmd` + `U`
Quick ways to navigate Open Connect to Server window	`⌘ Cmd` + `K`