Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to install whatsapp on mac or pc [title] Visit whatsapp.com/download/in your browser. [step] You can use safari or any other browser you've installed. [substeps] Whatsapp is not available for os x 10.8 or earlier.

Ending1: [title] Sign into whatsapp.com on your mac or pc. [step] If whatsapp does not appear on your mac, you will still see an empty link on the " friends " menu. Ending2: As of this very day, whatsapp only comes with windows os x 10.8 and earlier. [title] Download a tool that allows you to add new keys to your os x 10.8 or later. Ending3: Whatsapp must be installed and verified on your phone before you can use the desktop app. [title] Click the " download for mac os x " button. Ending4: [title] Sign into your whatsapp.com account. [step] Doing so will open the onedrive home page, followed by a login screen.

Answer format: ending1/ending2/ending3/ending4