How will I update my iPhone to iOS 17

You have skipped a few years worth of updates, so it would be advisable to connect your iPhone to your computer and use iTunes (Windows) or Finder (Mac) to update it. See these directions --> Update your iPhone, iPad, or iPod touch with iTunes - Apple Support

Shisud12 Said:

"How will I update my iPhone to iOS 17: Right now am using iOS 14.4.1 and I want to update it to iOS 17."

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To Check for Updates:

Update Using a Computer and Ethernet:

Start with attempting an update through use of a computer. If you cannot use Wi-Fi, then use Ethernet.  Go Here: Update your iPhone Using a Computer - User Tip. On the computer, you would connect it through Ethernet, going directly into your router. For a Mac (or PC) that does not have Ethernet, this would be the adapter to use: Belkin USB-C to Gigabit Ethernet Adapter - Apple