Ready made execution scripts for the retail MT4 trading platform can be found here
Simply upload into your scripts folder which is contained within the data folder of your MT4 platform. You will then need to restart Metatrader.
If you are uncertain how to do this, you might find this Youtube video useful.
These scripts will need editing using the Metatrader editor built into the platform. All the lot sizes are set to 1k or 0.01 size with IG etc. If you are trading a nano account these may need to be adjusted to 0.10.
Of course it goes without saying that should not blindly install on a live account with real funds. Adjust and practise on a demo account first.