Will the programs in MT4 work in MT5？

[carr bronte]

Can programs in MT4 be used in MT5

[jeff Mond]

carr bronte: Can programs in MT4 be used in MT5

Can't

[Fernando Carreiro]

carr bronte: Can programs in MT4 be used in MT5

No! You will need the original source code files to be able to convert them from MQL4 to MQL5 and then compile them into ".ex5".

And please write in English here in the English forum.