I am using Windows so I can not help here sorry.
But from what I understand - you should fill Community tab with your forum login (your login is xmoon) and forum password anyway.
And I found some infomation which may be usefull for example:
Forum on trading, automated trading systems and testing trading strategies
New MetaTrader 5 Platform Build 1755
MetaQuotes, 2018.01.18 11:08
We recommend anyone who has long been using 32-bit Wine for MetaTrader 5 due to the past incompatibility with the 64-bit terminal to upgrade Wine to the latest 64-bit version and re-install MetaTrader 5 in 64 bits.
Besides, make sure to set the Wine compatibility mode to at least Windows 7 instead of the default Windows XP. No more updates for Windows XP/2003/Vista will be released.
We are also halting the development of the 32-bit versions of the MetaTrader 5 terminals. The updates for 32-bit MetaTrader 5 are to be completely stopped soon.Forum on trading, automated trading systems and testing trading strategies
Error when installing Metatrader 4 or 5 in Mac HELP PLEASE!
Marco vd Heijden, 2018.03.24 08:39
Your wine is still in windows XP mode.
You need to go into settings and set it to windows 7 or higher.
![](https://c.mql5.com/3/180/wine.png)
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I am using MT5 on ubuntu with Wine, I cannot install any from market.
Suggestions are welcome,