Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to change general options on firefox [title] Open firefox browser. [step] On your start menu, you will see the firefox program. Click on the name to open your browser to its home page.

Ending1: [title] Look at the right side of the browser window. [step] There will be a button towards the top that has 3 lines on it. Ending2: [title] Click " programs " in the upper-right corner. [step] There you can look for the firefox developer handbook series tab. Ending3: [substeps] The program will arrive automatically after pressing " quit " on the official firefox website at the bottom of the window. It will always be able to connect you to firefox but you will not be able to deactivate it once a month. Ending4: Once it's open, press " paste " on the address bar. You will be directed to a page that details services.

Answer format: ending1/ending2/ending3/ending4