How to update Windows 7 to the latest Security Updates Note: You need to install file versions that are compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit Make sure  you have System Protection enabled and create a new Restore Point before proceeding   ONLY if not running SP1 If you're not already running Service Pack 1 on Windows 7 then you will need to install Service Pack 1 in order to be able to install the other