Patching Operating System
From time to time, software bugs are discovered in applications running on your PC. Software vendors will then release one or more "patches" to fix the weaknesses. At the same time, hackers can take advantage of these weaknesses to attack the unpatched PCs.
You should always download and install the latest patches for your applications. Most software vendors will publish information about recently discovered vulnerabilities and corresponding patches on their websites. You should keep abreast of this information and patch your PC accordingly.
Enable the "Auto Update" feature
Some vendors have automatic updating mechanism built into their products, such as the Automatic Update feature for Microsoft Windows. By enabling the Automatic Update feature, security patches can be automatically downloaded and installed to your PC. For more information on how to enable the Automatic Update feature in Windows 10 or later, refer to Microsoft website.
You can clean and protect your PC by following these three smart tips. Though there are other security measures you can take, these three golden rules are an excellent start for protecting your PC.
Most of the software vendors will publish the latest patches on their websites, and please consult the vendor for the procedure in updating patches and bookmark the location where patches could be downloaded.
Patches should be updated in all levels, including but not limited to:
Make sure the patches are tested and downloaded from trusted sources before update.