Core/Common: ported windows settings manifest from https://github.com/TrinityCore/TrinityCore/commit/b299902881cb6525b5a6cc08c5721c0c1c7401ab

src/CMakeLists.txt

@@ -12,6 +12,7 @@ if(WIN32)
   set(sources_windows
     ${CMAKE_SOURCE_DIR}/src/common/Debugging/WheatyExceptionReport.cpp
     ${CMAKE_SOURCE_DIR}/src/common/Debugging/WheatyExceptionReport.h
+	${CMAKE_SOURCE_DIR}/src/common/WindowsSettings.manifest
   )
 endif(WIN32)
 

src/common/WindowsSettings.manifest

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <activeCodePage xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">UTF-8</activeCodePage>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" /> <!-- Windows 10 -->
+    </application>
+  </compatibility>
+</assembly>