If you don’t have a Facebook account, see this guide to create one. If you have a phone number associated with your account, you can log in with it as well.
If you don’t want to use the app, you can use your phone’s browser and visit the Facebook mobile page. For instructions on downloading apps on an iPhone or iPad, check out this article. For instructions on downloading apps on an Android device, check out this article.
You will automatically be logged in when you open the app next time. If you don’t want to stay logged in, you will need to sign out of the app from the menu.
