For MT4: PC, the steps to set Stop Loss and Take Profit levels are as follows:
1. Select the order you want to manage.
2. Right-click the order and select "Modify or Delete Order".
3. Set the "Stop Loss Price" and "Profit Price" in the window that appears.
For MT4: Mobile, the steps to set Stop Loss and Take Profit levels are as follows:
1. Find the order you want to modify on the "Trading" page.
2. Long-press the order and select "Modify" in the pop-up menu.
3. Set the "Stop Loss Price" and "Profit Price" in the window that appears.