Learn to turn on automated wordpress update and automated wordpress plugin, and automatic theme update totally free. Never again do you need to by hand update wordpress.

The automatic update plugin is called easy updates manager:
https://wordpress.org/plugins/stops-core-theme-and-plugin-updates/

I highly suggest you run automatic backups of your wordpress of you plan to update your wordpress automatically. See my wordpress tutorial here on how to backup wordpress automatically: https://youtu.be/Y0NkS_kSXU0