i want to download free mcafee to my computer
Most of them offer a subscription service that will allow you to get annual updates.
this really depends on what you have, and what you are going to. Software updates and usually to bring bug fixes, better battery life, and new features.
One can go directly to the Microsoft website to obtain relevant updates regarding the Microsoft Office software, usually updates will automatically download if one allows automatic update.
Yes there is updates for a certain pieces of software about once a week.
In relation to software, it usually means to connect to the server of the developer (Microsoft, for instance) to validate itself and check for updates.
Usually, piracy.
Windows Software Assurance is the same as Microsoft Software Assurance which is just like most Software Assurances. It allows you to have support for the software you bought, usually office software, including IT help, updates, and access to products unavailable to anyone who isn't a purchaser of this Software Assurance.
Software Updates by Apple are always free.
In relation to software, it usually means to connect to the server of the developer (Microsoft, for instance) to validate itself and check for updates.
Software Update automatically checks for any updates to the Apple software, both system software and applications, installed on an Apple Mac computer. If there are updates available it will offer the opportunity to install the updates now or later. For some software the Mac will need to be restarted to complete the installation. Software Update can be found from the Apple menu in the top left corner.
Microsoft updates are free. They are a part of Microsofts maintenance and support. The updates help fix bugs with the software installed on your PC. Your Internet provider might charge you but not the actual software.