No it is your browser ,sorry

there have been loads of posts here about it ,either delete all cookies for FD or just use another browser
Wavey's got it. I noticed late last night that an individual we were able to help mentioned that Chrome worked fine for him, and that it was the Cookies in the browser that was the issue, not the browser itself. The reason a browser you don't use often, or at all, works is because it doesn't have cookies on it. Clear your cookies, and that may work for you.
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I'm still utterly perplexed why Jim and Bottom are proclaiming unsubstantiated rumors and referencing vagueries, as fact, to dissuade people from using their Steam keys. They're the most vocal advocates in pushing some anti-Steam agenda. Ladies, and/or Gentlemen, just stop.
Get your Steam key. You wanted it. You're here to discover how to get it. Frontier has gifted it. Just take it. If you want to support Frontier, as you ALREADY have by purchasing this game, buy through the online shop.
Allegations that ALL sales that come through Frontier's shop go to Steam if you link your account are absurd, at best. While we're making wild allegation, I will also allege that for every purchase you make on the EliteDangerous Store, an Angel has it's wings torn from its back. We have about as much evidence for that statement.
Frontier has made no such statement that purchases from their website go to Steam, if you link your account. This is counter to everything we know about developer relationships with Steam. And it is counter to what Ed stated in his very first post, at the start of this thread.
You buy from Steam, Steam takes their cut.
You, however, are not buying through Steam.
You have already bought. You are activating your key for your Steam copy. This is a practice most developers follow these days. When I buy from Humble Bundle, there are games where I get a DRM-free copy, and a Steam version. I am purchasing the game, and the developers/publishers are providing me multiple ways to consume it. This is rapidly becoming pretty standard practice, if it isn't just plain common sense already.
When I buy from Gaijin for War Thunder, I can buy through the store, or via their website. Sales through Steam go to Steam. Sales through the website goes to the developer/publisher.
For Steam to take from the sales on Frontier's website would mean Steam would have access to Frontier's books and financial information. Or, we would assume that Frontier is willingly giving that information up, and Steam has NO interest in policing it. That's just... crazy to think a company would agree to that. Especially a company that has investors to consider. Would you agree to let a 3rd party retailer have access to your finances just to sell in their store?
No. Steam is taking a cut from sales through their shop. NOT from any other shop. So, you want to support Frontier, buy though their website, through the store, here:
https://store.elitedangerous.com/
I'm completely boggled by this campaign by a couple of individuals to sow confusion, fear, and concern on this incredibly loyal and enthusiastic fan base.
Stop. There is no official word that this causes Frontier to lose money. Get your key, and as Ed said himself:
We especially appreciate it when you buy direct from us, but we're happy for you to play how and where you like. Just enjoy the game, and fly safe Commanders!
Gah, I get enough of this misinformation here in the States with Fox News. It is disturbing to see similar tactics used here.
Get your key, or don't, but leave people in peace to utilize the forms of consumption they deem best for themselves.