Updating mac software
Security patches are designed to close off vulnerabilities in the software and generally keep your Mac safer.
Apple has been annually updating OS X for the last several years and the new versions can bring some nice features.
As with any operating system update, though, you could experience quirks, bugs and a learning curve as you get used to it.
Depending on your hardware, a new system may run more slowly on older Macs than on the newer models, although system updates are usually intended to improve speed.
Boot Camp Assistant helps you create a partition on your drive that's compatible with Windows.
When you install Windows on a Mac that includes a Fusion Drive, the Windows partition is created on the mechanical hard drive part of the Fusion Drive (not the SSD).
You need an ISO file of the 64-bit version of the Windows 10 installer to install Windows on your Mac.
If you purchased the USB flash drive version you can download an ISO from Microsoft and use the Windows installation key that came with your flash drive.
To join, simply check the box Join the Office insider program to get early access to new releases. You can find Release notes for Office 2016 for Mac here.Microsoft Auto Update makes sure your copy of Office will always be up-to-date with the latest security fixes and improvements.If you are an Office 365 subscriber, you'll also receive the newest features and tools.You need support software (drivers) installed with Boot Camp to use Windows 10.This software is automatically downloaded when you use Boot Camp Assistant.
If you have an existing 32-bit installation of Windows on your Mac, you'll need to back up your important files so that you can remove the existing Windows partition and install a 64 bit version of Windows.