Hi @guitarplayer050 ,
Welcome to the forum, in order to properly install Manjaro you could read first on the live session the Manjaro Guide and also you could read this tutorial written by @linux-aarhus n the forum.
‘[root tip] Dual boot Manjaro and Windows’
There is another useful post where you can see a few pictures of the BIOS settings.
‘Having trouble dual booting Manjaro kde plasma along side windows 10’
Hope this help,