here you are.
Manual:
1) place file in ...experts\scripts
2) run MetaTrader4, download history data which you will need for the backtest (no need if you did it before)
3) disconnect internet connection or delete your account in Navigator window of your MT4
4) drag'n'drop Spread Generator from Navigator window scripts folder on the chart of the pair which spread you wish to change
5) change Spread value in "inputs" tab to the one that you wish (if 5 decimal price feed, than you should enter 20 instead of 2)
6) copy ...\experts\files\symbols.sel file to ...\hystory\your_account_folder(usely Live and Demo)
7) restart MT4 and DO NOT LOGIN!!! to any account, just click cancel if MT4 will offer you to login to your account.
8) run Strategy Tester click Symbol Properties button to make sure that spread is changed.
9) run backtest
10) if you found good expert adviser or better settings, dont forget to share with indo-investasi.com forum :)
