Video tutorial: MT4/5 Signals Service
https://www.mql5.com/en/articles/821
Watch the video tutorials about trading signals on YouTube
https://www.youtube.com/watch?v=ntu6pZRopq4
Trading Signals and Copy Trading
https://www.metatrader5.com/en/terminal/help/signals
a) How to Choose a signal
https://www.metatrader5.com/en/terminal/help/signal_monitoring
b) How to Subscribe to a signal
https://www.metatrader5.com/en/terminal/help/signals/signal_subscriber
b.1) How to Subscribe to a Signal
b.2) How to Configure the Trading Platform to Use Signals
b.3) Initial synchronization of Provider's and Subscriber's accounts
b.4) Copying Trading Operations and Volume Calculation
b.5) Subscriptions Displayed in the Platform
b.6) Signal Copying Report
b.7) Renew Subscription
b.8) Unsubscribing
c) How to become a signal provider
https://www.metatrader5.com/en/terminal/help/signal_provider
Tips for Selecting A Trading Signal
https://www.mql5.com/en/articles/1838
Frequently Asked Questions about the Signals service
https://www.mql5.com/en/forum/10773