How to make the asset editor open location's default value as Main Window?

eachtime a new project is created, the asset editor open location is New Window( shown as default).

Of course I could change the option to the Main Window. But I have to change it everytime for a new project.

how to make the default as Main Window?

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Go to the location your engine is installed to. My engine location is: “U:\Epic Games\UE_4.15”

In that folder navigate to the "Engine| and then the “Config” folders. Then find the file "Engine\Config" you should now be in something like "…\UE_4.15\Engine\Config"

You want to open/edit the file named “BaseEditorPerProjectUserSettings.ini”.

Find the section labeled “[/Script/EditorStyle.EditorStyleSettings]”

In that section you want to add a new line with the following:
AssetEditorOpenLocation=MainWindow

Save and close the file.

Now when you create a new project you will have open assets in the main window. If you want a different option … you’ll need to replace the “MainWindow” setting with whatever option you want to use.

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As of Unreal Engine 5.1, [/Script/EditorStyle.EditorStyleSettings] has been changed to [/Script/UnrealEd.EditorStyleSettings].

There’s a less invasive way of doing this that works for all version of Unreal btw, according to this snippet you can put this into “My Documents/Unreal Engine/Engine/Config/UserEditorPerProjectUserSettings.ini” and it will make it so that AssetEditorOpenLocation is "MainWindow" for ALL UE Editor versions on that computer.

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