Trading Strategies are supported for order routing systems CQG, Gain, and RIthmic. By default, InvestorRT users operating with these routing systems will see Trading Strategies listed as an object type in the Object Manager. Some users have elected to customize the object manager using File > Preferences > Object Manager so that only certain object types are shown.This simplifies the presentation of Object Manager but it excludes object types available to you. If you have elected to exclude Trading Orders from the object manager then you will not see trading related objects such as Trading Orders or Trading Strategies. Enable Trading Orders in preferences, close and reopen the Object Manager and you will then see Trading Strategies listed. Note that you can create your own trading orders that embed a strategy and initiate that trading order using a button in a chart for example. Or you can simply setup various named trading strategies and select the one you wish to use in the ChartTradingDOM.

If you ever sense that something is missing from Object Manager, best bet is to visit Preferences > Object Manager and select Show All Available Object Types. This is a quick way to see everything available to you before you begin excluding things.

There was a typo in my post, now corrected, where I used Trading System when I meant Trading Strategy. So I see that you do include all available Object Types in Object Manager and Trading Strategy does not appear. This indicates that you do not have Investor/RT configured for Rithmic order routing. You apparently have Investor/RT setup with market data source Rithmic and brokerage destination (order routing) set to the built-in trading simulator. When the "Simulated" account is setup for trading, Investor/RT will not show Trading Strategy object types because trading strategies are not well supported by our built-in trading simulator. There is limited support, but as I said, the order routing must be CQG, RIthmic, or Gain. The best way for you to test these OSO/OCO strategies is to use Rithmic as your brokerage destination.You can setup your RIthmic connection to log into Paper Trading and then you must set the trading account you wish to use. Add a button to any chart setup with purpose Set Trading Account and in the button setup just enter a ? as the account to set. This makes a menu button you can click to choose between Rithmic order routing account(s) associated with your login or "Simulated" which is the name we use for the built-in trading simulator account. Once you are connected with Rithmic and have a Rithmic account set using the button, open the object manager and RT will detect you are using Rithmic order routing and offer the Trading Strategy object type for  selection, then click New to make one.

This issue you are having, I think, is that you have not yet set an account and therefore RT detects you are not using Rithmic order routing. There is also an obscure configuration variable named SimulatedTradingStrategies you can set to TRUE using Preferences > Configuration.When this is set true, RT will allow you to setup Trading Strategies even when you are using the built-in trading simulator. We do not recommend testing strateiges this way since the full complexity of OSO and OCO order routing is not well supported by the internal simulator. With this variable set true you will see Trading Strategies in Object Manager even when you are set to use the Simulated account instead of your Rithmic account name.