Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to facetime on mac os x [title] Open the applications folder and launch the facetime app. [step] If facetime is not already installed on your computer, launch the app store, search for " facetime, " and follow the on-screen instructions to install facetime on your computer. [title] Sign in to facetime using your apple id and password.

Ending1: [step] Tap the " sign in " button to proceed. Then, enter your apple id and password in the appropriate spaces under the " security " section, and tap the " sign in " button beside it to continue. Ending2: [step] If you are not already logged in, skip this step. You may only log in from android or windows, if you already have an account in that suite. Ending3: [substeps] If you do not have an apple id, navigate to my apple id at https: // appleid. Apple.com/account, and follow the on-screen instructions to create an apple id. Ending4: [step] Tap the " sign in " button on the upper part of the screen once you've signed in, and enter your apple id and password to sign in. After that, tap the " confirm " button at the lower left portion of the screen.

Answer format: ending1/ending2/ending3/ending4