GU Scalper has been optimized to work for the GBPUSD pair on the 15 min timeframe. This uses the Heikenashi indicator for precise entries and from backtests, it is successful from 2016 and currently has over a 90% success rate.
You do not need any SET files, the Expert Advisor is already optimized. However you need to choose either trade fixed lots or percentage of account size.
To ensure the best results, the regulated broker we recommended is - https://bit.ly/37KOalQ (use their raw spreads Metatrader 4 account)
Link to recommended VPS (for optimal trading robot conditions) - https://bit.ly/3ie73T4