Drag and drop Spectacle editor
To manually install Spectacle Editor with Homebrew, use the following command:
Current version of Spectacle Editor.app: 0.1.6
ARM: https://github.com/plotly/spectacle-editor/releases/download/v0.1.6/Spectacle.Editor-0.1.6.dmg
Intel: https://github.com/plotly/spectacle-editor/releases/download/v0.1.6/Spectacle.Editor-0.1.6.dmg