Updated Windows 10 Version

Author: drunkrhin0

articles/security/fundamentals/ad-passwordless.md

@@ -305,7 +305,7 @@ Passwordless authentication is the wave of the future and the path to a more sec
 
 * Deploy Microsoft Authenticator App for mobility.
 
-* Deploy Windows Hello for Business (1903: stay current).
+* Deploy Windows Hello for Business (1909: stay current).
 
 * Deploy FIDO2 devices for users who can't use phones.