Blender shortcuts – Global keys

Ctrl + O Open File
Ctrl + S Save File
Ctrl + N New File
Ctrl + Z Undo
Ctrl + Shift + Z Redo
Ctrl + Q Quit
F1 Help (context-sensitive)
F2 Rename Active Item
F3 Operator Search
F4 File Context Menu
F5-F8 Reserved for user actions
F9 Adjust the Last operation
F11 Show render window
F12 Render the current frame
Q Quick Access (Favourites)
Ctrl + Spacebar Toggle Maximie Area
Ctrl + Alt + Spacebar Toggle Fullscreen Area
Ctrl + PageUp/Ctrl + PageDown Next/Previous Workspace
Spacebar User configurable
Shift + Ctrl + Spacebar Playback Animations (reverse)