All products working in MT4 Build 1420 will show this under "CONTENT" (Unlocked MT4 Build 1420+)

All prooducts working in older Builds will show this under "CONTENT" (Unlocked)

and will require you to revert your MT4 back to previous builds if your broker will let you. IMPORTANT NOTICE! MT4 Terminal Build 1418- 1420 - Greg's Forex Trading (gregforex.com)