cannot find optimization graph

 

Hi, I have a hard time opening a optimization graph, I looked at this documentation and it says about  "Open Optimization graph" but I cannot find where the optimization graph is. How can I find this "optimization graph" option?

Strategy Optimization - Algorithmic Trading, Trading Robots - MetaTrader 5 Help
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The Strategy Tester allows you to test and optimize trading strategies ( Expert Advisors ) before using them for live trading. During testing, an...