Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to download youtube videos on mac os x [title] Navigate to the youtube video you want downloaded to your mac. [title] Click in the address bar of your browser, and press command + c to copy the url. [title] Navigate to the keepvid website at keepvid.com.

Ending1: [title] Press the " save " button in the top right hand corner of the pop-up window that will pop up. [title] Click " system preferences " in the " system preferences " window in the left panel. Ending2: [step] This site allows you to download youtube videos without using third-party software. [title] Click in the " download " field at the top of the site, and press command + v to paste the url. Ending3: [step] Find the location to which your video files are licensed. If you don't have keepvid, download the downloadable file found in the default username bar. Ending4: [title] Click the " file download " button to proceed. [title] The computer suite should be saved to your outlook computer in a cpu.

Answer format: ending1/ending2/ending3/ending4