In order to download quotes from the History Center in your MetaTrader 4 terminal, please follow the steps described below:
1. Firstly, increase the "max bars in history" in MetaTrader 4 by clicking on Tools->Options->Charts and entering "9999999999999". Be aware that using larger volumes of data will increase the load on your PC.
2. Go to the "History Center" in MetaTrader 4 by clicking on Tools->History Center.
3. Choose the timeframe for the particular instrument you are interested in (for example, EURUSD|1 min), double-click on it and press Download.
MetaTrader 4 should now download the full history of M1 quotes for the specific instrument selected directly from the History Center and import it into MT4.