how to download open jdk,sdk, ndk recommended for unity Unity 2019.3.1, without unity hub.

how to download open jdk,sdk, ndk recommended for unity Unity 2019.3.1, without unity hub,

Hi
You can download sdk pack in Android studio
And for jdk, you can download it by clicking this linkhttps://www.google.com/url?sa=t&source=web&rct=j&url=https://www.oracle.com/technetwork/java/javase/downloads/index.html&ved=2ahUKEwijl8mplNDnAhXGxjgGHcuIC9kQFjAfegQIARAB&usg=AOvVaw2NOz0AsAshBtw34Uu99g__

but which one to download their are several options there
@Z7Creation