diff --git a/Libraries/LibCore/SystemWindows.cpp b/Libraries/LibCore/SystemWindows.cpp
index 2973e1fd22f..5d6a0a19302 100644
--- a/Libraries/LibCore/SystemWindows.cpp
+++ b/Libraries/LibCore/SystemWindows.cpp
@@ -239,4 +239,12 @@ unsigned hardware_concurrency()
     return si.dwNumberOfProcessors;
 }
 
+u64 physical_memory_bytes()
+{
+    MEMORYSTATUSEX ms = {};
+    ms.dwLength = sizeof ms;
+    GlobalMemoryStatusEx(&ms);
+    return ms.ullTotalPhys;
+}
+
 }