I've downloaded the latest FeynArts version FeynArts3.4 and I've put the folder in \Program Files\Wolfram Research\Mathematica\5.0\AddOns\Applications.
To load feynArts, I've typed <<HighEnergyPhysics`FeynCalc` and <<FeynArts`FeynArts`. but I've gotten Get::noopen Failed.
in order to run FeynArts, would you please show me what can I do in this case?
Thank you in advance.
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