Where to get historical monthly performance data for MSCI World factor indexes (Momentum, Quality, Value)?

​Hi everyone, ​For a backtest (calculating downside beta), I am looking for historical monthly performance data for the following indexes: ​MSCI World Momentum Index ​MSCI World Sector Neutral Quality Index ​MSCI World Enhanced Value Index ​Does anyone know where to get these time series as Excel for free? Any tips would be greatly appreciated 😊

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