How To Exclude a Category From Homepage - https://www.techmuzz.com/how-to/make-category-excluder-homepage/

functions.php

function excludeCatTechMuzz($query){
    if ( $query->is_home ) {
        $query->set(‘cat’, ‘-1479’); //1479 is the category number
    }
    return $query;
}
add_filter(‘pre_get_posts’, ‘excludeCatTechMuzz’);