diff --git a/RuntimeFilesDownloader/RuntimeFilesDownloader.uplugin b/RuntimeFilesDownloader/RuntimeFilesDownloader.uplugin
index eedce4a..2009230 100644
--- a/RuntimeFilesDownloader/RuntimeFilesDownloader.uplugin
+++ b/RuntimeFilesDownloader/RuntimeFilesDownloader.uplugin
@@ -31,7 +31,6 @@
       "BlacklistPlatforms": [
         "XboxOne",
         "PS4",
-        "HTML5",
         "TVOS",
         "Switch"
       ]
diff --git a/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Private/RuntimeFilesDownloaderLibrary.cpp b/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Private/RuntimeFilesDownloaderLibrary.cpp
index b899af3..9793c50 100644
--- a/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Private/RuntimeFilesDownloaderLibrary.cpp
+++ b/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Private/RuntimeFilesDownloaderLibrary.cpp
@@ -30,10 +30,11 @@ URuntimeFilesDownloaderLibrary* URuntimeFilesDownloaderLibrary::DownloadFile(con
 	FileUrl = URL;
 	FileSavePath = SavePath;
 
-	TSharedRef< IHttpRequest, ESPMode::ThreadSafe > HttpRequest = FHttpModule::Get().CreateRequest();
+	TSharedRef< IHttpRequest > HttpRequest = FHttpModule::Get().CreateRequest();
 
 	HttpRequest->SetVerb("GET");
 	HttpRequest->SetURL(URL);
+	HttpRequest->SetHeader("Content-Type", TEXT("application/octet-stream"));
 	HttpRequest->OnProcessRequestComplete().BindUObject(this, &URuntimeFilesDownloaderLibrary::OnReady_Internal);
 	HttpRequest->OnRequestProgress().BindUObject(this, &URuntimeFilesDownloaderLibrary::OnProgress_Internal);
 
@@ -46,8 +47,12 @@ URuntimeFilesDownloaderLibrary* URuntimeFilesDownloaderLibrary::DownloadFile(con
 
 void URuntimeFilesDownloaderLibrary::OnProgress_Internal(FHttpRequestPtr Request, int32 BytesSent, int32 BytesReceived)
 {
-	int32 FullSize = Request->GetContentLength();
-	OnProgress.Broadcast(BytesSent, BytesReceived, FullSize);
+	FHttpResponsePtr Response = Request->GetResponse();
+	if (Response.IsValid())
+	{
+		int32 FullSize = Response->GetContentLength();
+		OnProgress.Broadcast(BytesSent, BytesReceived, FullSize);
+	}
 }
 
 void URuntimeFilesDownloaderLibrary::OnReady_Internal(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful)
diff --git a/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Public/RuntimeFilesDownloaderLibrary.h b/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Public/RuntimeFilesDownloaderLibrary.h
index d59647a..bb9aa10 100644
--- a/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Public/RuntimeFilesDownloaderLibrary.h
+++ b/RuntimeFilesDownloader/Source/RuntimeFilesDownloader/Public/RuntimeFilesDownloaderLibrary.h
@@ -5,6 +5,7 @@
 #include "Http.h"
 #include "Misc/Paths.h"
 #include "HAL/PlatformFilemanager.h"
+#include "GenericPlatform/GenericPlatformFile.h"
 #include "RuntimeFilesDownloaderLibrary.generated.h"
 
 /**