how to open an order at a specified price

[valomano]

hi , i need open buy order when the BID gets on my specified price ! can you help me ? or how to change ordertype ? example : i open order BUY LIMIT and whe order opens i want change it on the BUY 

[William Roeder]

Buy Limit (open below current price) and Buy Stop (above) become a Buy when triggered — the change is automatic.

[Nikolaos Pantzos]

valomano:
hi , i need open buy order when the BID gets on my specified price ! can you help me ? or how to change ordertype ? example : i open order BUY LIMIT and whe order opens i want change it on the BUY 

Hello,

there are free programs that do what you ask for. Just look carefully.