I installed the Elixir precompiled package labelled “Elixir 1.17.3 on Erlang/OTP 26” available from [Installing Elixir - The Elixir programming language] (Installing Elixir - The Elixir programming language) but it appears install Elixir version 1.16.2 as shown in IEx:
Can you run which elixir? Could it be that you already had Elixir installed in your system and it is “winning” over the installed one? Did you follow the steps after installation to add the just installed executable to your path?