I still had 4 out of 5 licenses for activation, as the EA didn't work I re-installed mt4, but now I have 3 out of 5 licenses
The owner of the ea told me to contact mql5
Your windows must have been updated in the meantime and when that happens all MQL5 Market purchases are uninstalled and you need to install them again.
Metaquotes usually credits one extra activation when a universal major windows update happens.
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