When the computer loads up, it shows a list of what to boot from. Is there a way to hide this and automatically boot from Windows unless a key is pressed?
You can use the Grub-Customizer application to set the default boot option as follows:
Steps 1 - 3 can be accomplished using the Accessories > Terminal by running the following three commands:
Editing the /boot/grub/grub.cfg and /etc/default/grub files manually is not usually recommended... BUT if you must: Have a look at this Question.
Grub Customizer is a graphical settings manager for GRUB2 and BURG.
You can set Windows as default. Among the other Grub Customizer features are:
A new Grub Customizer version has been release: 3.0, which brings the following new features:
Grub Customizer is considered a stable application, but be very careful when using it and make sure you know what you're doing! Messing with GRUB2/BURG can cause the system not to boot!