In a Client Component, use `useRouter()` from `next/navigation` and call `router.push()` / `router.replace()`. In Server Components you usually redirect with `redirect()`.
'use client'
import { useRouter } from 'next/navigation'
export function GoButton() {
const router = useRouter()
return (
<button onClick={() => router.push('/en')}>Go</button>
)
}