Try with alt+arrows for windows/sessions navigation for a while

config/tmux/tmux.conf

@@ -41,6 +41,9 @@ bind -n M-7 select-window -t 7
 bind -n M-8 select-window -t 8
 bind -n M-9 select-window -t 9
 
+bind -n M-Left select-window -t -1
+bind -n M-Right select-window -t +1
+
 # Session controls
 bind R command-prompt -I "#S" "rename-session -- '%%'"
 bind C new-session -c "#{pane_current_path}"
@@ -48,6 +51,9 @@ bind K kill-session
 bind P switch-client -p
 bind N switch-client -n
 
+bind -n M-Up switch-client -p
+bind -n M-Down switch-client -n
+
 # General
 set -g default-terminal "tmux-256color"
 set -ag terminal-overrides ",*:RGB"