Therefore, it is capable of running in the background of the system and perform scans without negatively affecting the system's performance. Since it's an inbuilt software managed by Microsoft, it is usually optimized and updated automatically. One of the stand-out features of the Windows Defender is the speed. However, Microsoft put much effort to resurrect the software and apparently did a great contribution since Windows Defender is currently ranking as one of the top services.
A glimpse at the AV-Test back in 2013, it has been considered dead. Windows Defender has been underrated by default and known as an inferior antivirus system by the community due to its poor past performance. Previously known as Microsoft Security Essentials back in Windows 7, it has been offered as a separate download and has been facing difficulties in competing with the most popular AV brands. Windows Defender is an in-built real-time antivirus program launched with Windows 10 OS. To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
