Try this before setting up

https://github.com/wbthomason/packer.nvim#quickstart

→ <leader><leader>z

tmux init

1. tmux pane open
2. M-o I

Additional Settings

alt + tab

systemsettings -> keyboard -> shortcut -> keyboard -> next window ctl

defaults write -g InitialKeyRepeat -int 11

defaults write -g KeyRepeat -int 1