Turns on snapping.

`↑ Shift` + `Mouse left click`

All hotkeys for Solidworks 2019

Windows New	`Ctrl` + `N`
Windows Open	`Ctrl` + `O`
Windows Close window	`Ctrl` + `W`
Windows Close file	`Ctrl` + `F4`
Windows Close Solidworks	`Alt` + `F4`
User Interface Moves among open documents.	`Ctrl` + `⭾ Tab`
Windows Save	`Ctrl` + `S`
Windows Print	`Ctrl` + `P`
Windows Find / replace	`Ctrl` + `F`
Windows Select all	`Ctrl` + `A`
Windows Cut	`Ctrl` + `X`
Copy/Paste Drawings. Copies and pastes drawing views.	`Ctrl` + `C`
Copy/Paste Drawings. Copies and pastes drawing views.	`Ctrl` + `V`
Windows Undo	`Ctrl` + `Z`
Windows Redo	`Ctrl` + `Y`
Commands Browse recent documents	`R`
User Interface Opens the shortcut bar.	`S`
Commands Confirmation corner / breadcrumbs	`D`
Commands Command search	`W`
User Interface Rebuilds the model.	`Ctrl` + `B`
Commands Force regen	`Ctrl` + `Q`
Commands Delete	`Del`
User Interface Repeats the last command.	`⤶ Enter`
Commands Task pane	`Ctrl` + `F1`
Commands Toggle selection filter toolbar	`F5`
Commands Toggle selection filter type	`F6`
Commands Spell check	`F7`
Commands Toolbar	`F10`
Commands Full screen	`F11`
Sketching Changes the XYZ plane when sketching in a 3D sketch.	`⭾ Tab`
Assemblies While Inserting a Component. Rotates the component -90º.	`↑ Shift` + `⭾ Tab`
Sketching Turns on snapping.	`↑ Shift` + `Mouse left click`
Commands Tangent arc toggle	`A`
Display Zooms to fit.	`F`
Display Opens the View Selector and Orientation dialog box.	`Space`
Display Opens the View Selector.	`Ctrl` + `Space`
View commands Front	`Ctrl` + `1`
View commands Back	`Ctrl` + `2`
View commands Left	`Ctrl` + `3`
View commands Right	`Ctrl` + `4`
View commands Top	`Ctrl` + `5`
View commands Bottom	`Ctrl` + `6`
View commands Isometric	`Ctrl` + `7`
View commands Normal to	`Ctrl` + `8`
View commands Undo view change	`Ctrl` + `↑ Shift` + `Z`
Display Zooms the model in.	`↑ Shift` + `Z`
Display Zooms the model out.	`Z`
View commands Area magnify	`G`
Assemblies Mates. Temporarily hides a face when you hover over a face and click Alt.	`Alt`
Sketching Symmetrically adjusts both handles of a control point in a spline.	`Alt` + `Mouse movement`
Assemblies Copies the component and creates a SmartMate.	`Alt` + `Ctrl` + `Mouse movement`
Sketching Suppresses inference lines when dragging an endpoint.	`Ctrl` + `Mouse movement`
Assemblies Mates. Show a temporarily hidden face when you hover over the hidden face and click Shift + Alt.	`↑ Shift` + `Alt`
Assemblies Mates. Show all temporarily hidden faces in a semi-transparent state.	`Ctrl` + `↑ Shift` + `Alt`
Assemblies To show one or more components, move the pointer to the graphics area, and press and hold Ctrl + Shift + Tab. All hidden components are temporarily displayed as transparent. Click a hidden component to change it to shown.	`Ctrl` + `↑ Shift` + `⭾ Tab`
Assemblies On a component. Rotates a component relative to the assembly origin.	`Mouse movement`
Assemblies On a Component. Invokes mouse gestures instead of the Rotate Component tool.	`Alt` + `Mouse movement`
Display Rotates the model 90º.	`↑ Shift` + `← ↑ → ↓`
Assemblies Opens the shortcut menu and context toolbar.	`↑ Shift` + `F10`
Assemblies Opens the shortcut menu and context toolbar.	`Context menu button`
Selection Select the back faces in the View Selector cube.	`Alt` + `Mouse left click`
Dimensions and Annotations Inserts a degree º symbol.	`Alt` + `0176`
Dimensions and Annotations Inserts a diameter Ø symbol.	`Alt` + `0216`
Dimensions and Annotations Inserts a µ symbol.	`Alt` + `0181`
Dimensions and Annotations Change the annotation view plane for a dimension or annotation.	`
Display Rotates the model parallel to the viewing plane.	`Alt` + `← ↑ → ↓`
Display Rotates the model parallel to the viewing plane.	`Alt` + `Mouse movement`
Display Zooms the model in and out about the screen center.	`↑ Shift` + `Mouse movement`
Display Shows a section view when using the magnifying glass.	`Alt` + `Mouse wheel up and down`
Sketching When sketching a line, the line snaps to specific lengths.	`↑ Shift` + `Mouse movement`
Move Pans a model.	`Ctrl` + `← ↑ → ↓`
Move Pans a model.	`Ctrl` + `Mouse movement`
Selection Select multiple entities.	`Ctrl` + `Mouse left click`
Selection Select a transparent face on a part.	`↑ Shift`
Sketching (while sketching) Turn off automatic sketch relations.	`Ctrl`
User Interface Redraws the screen.	`Ctrl` + `R`