Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to create a chrome extension for your website [title] Download a html editor. [step] Notepad + + is a free, open-source option for windows, and komodo edit for mac. [title] Create your extension files.

Ending1: [step] Click " import " on the window to import your google chrome extension to this window. Click " import " on the " save as " window to save your file to a default location. Ending2: [step] Open your text editor and create four new files and name them manifest. Json, popup.html, popup.css, popup.js. Ending3: [step] This can be easily done by pressing f7 or running notepad + +. By double-clicking the open file window on the right, a sub-window will appear with a dialog box of all of your existing extension file types. Ending4: [step] Create layers, if desired, or even a banner. Do this in your adobe/mac format only.

Answer format: ending1/ending2/ending3/ending4