Download a release from https://github.com/scaredyfish/blender-viewport-presets/releases
Adds a presets menu to the 3D viewport header which allows you to save and recall various combinations of viewport display settings.
Hit the + button to save the current viewport settings as a preset.
Change the name of the currently selected preset using the text box.
Update or delete the current preset.
Presets are saved in user preferences, so be sure to press the 'Save Preferences' button.