Or an upgrade is a term that describes adding new hardware in a computer that improves its performance.
Hardware upgrading is the replacement of new hardware with the old versions. In computing and consumer electronics an upgrade is generally a replacement of hardware, software or firmware with a newer or better version, in order to bring the system up to date or to improve its characteristics. Upgrading is the process of replacing a product with a newer version of the same product. Also, you will learn that what is an upgrade and how you can do upgrade from on OS to the another version of OS. macOS Sierra 10.12 is the latest released version of Mac operating system right now.
In this article, you are going to learn that how to upgrade Mac OS X El Capitan to macOS Sierra 10.12. Upgrading from one operating system to the another OS is the way of installing Windows or Mac operating system.
