Log in to your Fidelity account
Go to Trade
Select the account
Choose Buy or Sell
Enter the symbol
Select Action
Enter the quantity
Open the Order Type menu
Choose Stop Loss
If available, choose Stop Loss Limit instead
Enter the stop price
Enter the limit price if using Stop Loss Limit
Select the time in force
Review the order
Submit the order
Check the order status in Orders
Modify or cancel the order from Orders if needed