Yes, you can use Expert Advisors (EAs) on MetaTrader 5 (MT5). Expert Advisors are automated trading systems that can execute trades on behalf of the trader based on pre-defined rules and criteria. They are commonly used by traders to automate their trading strategies and remove the need for manual intervention.

To use an EA on MT5:

1. Write or obtain an EA: You can either create your own Expert Advisor using the MQL5 programming language or obtain one from a third-party source. There are many EAs available for purchase or download from online marketplaces and forums.

2. Install the EA on MT5: Once you have the EA file (usually ending in .ex5), you can install it onto your MetaTrader 5 platform. You can do this by placing the EA file in the "Experts" folder within the MetaTrader 5 directory on your computer.

3. Enable automated trading: In MetaTrader 5, make sure to enable automated trading by clicking on the "AutoTrading" button at the top of the platform. This allows the EA to execute trades on your behalf.

4. Run the EA: Drag the EA from the Navigator window onto the chart of the instrument you want to trade. You can then adjust the settings of the EA as needed. Finally, click the "Start" button in the "Expert Advisors" tab to activate the EA and allow it to start trading.

Remember to thoroughly test any EA on a demo account before using it with real funds, and always monitor its performance closely, especially when running it on a live trading account. Automated trading carries risks, and it's essential to understand how the EA operates and the potential risks involved.