Hi,
you do not need to buy the EA, I have attached it together with my latest optmizations. It's not the holy grail but it's profitable over the long term.
Please note: you should use this EA only on ECN Accounts! I strongly recommend a Pepperstone Razor account ($200 min deposit!).
The default settings of the EA are the best settings for Pepperstone or FX-Open accounts.
You can trade between 17 p.m. and 5 a.m. (Pepperstone server time) or 15 p.m. and 3 a.m. (Dukascopy server time), but you will achieve the best results between 21 p.m. and 1 a.m. (Pepperstone server time).
Please attach the EA on a H1 chart of GBPCHF, USDCHF or EURCHF, but try the EA on a Demo account first to get a feeling for the lot settings!
If you have any questions or ideas on how to improve the EA, please feel free to contact me.
Good trading!