Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to start a conference call on skype mac [title] Click the skype app from your' applications' folder to launch the application. [title] Sign in using the username and password associated with your account. [substeps] If you don't already have a skype account, click the " create new account " button to the right to create one.

Ending1: Note that user accounts are temporary, and you can upgrade to the currently existing account at any time. [title] Tap the blue " receive " button. Ending2: Add your username and password to the blank spaces provided to create one. [title] Click the " start conference call " button. Ending3: [title] Click the " + " sign in the top right corner of the application followed by the " new conversation..." option from the context menu. [title] Click the add contacts icon at the top right of the conversation to add people to your conference call. Ending4: Alternatively, you can create an existing skype account after you've signed up for an account. [title] Select your preferred conference number and in the current panel you can select which conference to call.

Answer format: ending1/ending2/ending3/ending4