In the real world, people are used to seeing themselves in mirrors, and thus the mind is set up to prefer this version. Therefore, the real-time iPhone camera screen shows you a mirrored version of yourself (which is actually fake). But the final image in the Photos app flips back to normal (which is real).
Windows Defender is the antivirus included with Windows 10, and it’s actually worth using now. Thanks to a lack of nag screens and integration into the operating system, it offers fine protection with no extra configuration needed. The antivirus is always getting better, and Microsoft introduced new enhanced functions for Windows Defender in the Creators Update.