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MetaTrader 4 (MT4) — Ghana

One machine can hold several separate installations of MetaTrader 4 at the same time. Each copy keeps its own settings, its own charts and its own logged-in account, and the copies share nothing except the computer they sit on.

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100+ instruments  ·  Founded 2008

MetaTrader 4 is not limited to one installation per computer. Several copies can be installed into separate folders and run side by side, each with its own settings, its own chart layouts and its own logged-in account. What makes this workable is that a copy stores everything it remembers inside its own folder, and what makes it manageable is knowing which detail on screen tells two copies apart.

Measured order execution — Standard

How orders actually filled when real market orders were placed on Exness’s MT5 feed — fill time, slippage and rejects by order size:

InstrumentOrder sizeAvg fillAvg slippageFails
EURUSDm0.01 lot151 ms-0.333 pts0
EURUSDm0.1 lot151 ms-0.333 pts0
EURUSDm1.0 lot146 ms-0.333 pts0
GBPUSDm0.01 lot141 ms0.667 pts0
GBPUSDm0.1 lot130 ms0.0 pts0
GBPUSDm1.0 lot135 ms0.333 pts0
XAUUSDm0.01 lot141 ms0.0 pts0
XAUUSDm0.1 lot151 ms80.0 pts0
XAUUSDm1.0 lot130 ms-72.333 pts0

Small sample (a few round-trips per size); indicative. The same pricing engine feeds every platform the broker offers.

MetaTrader 4 (MT4) at Exness

How many copies of each can sit on one machine

PlatformPricing modelCopies on one machineDevices
MetaTrader 5Spread (+ commission on Raw/Zero)Installs into a folder of its own; several copies can sit side by sideWindows, Mac, Web, iOS, Android
MetaTrader 4Spread (+ commission on Raw/Zero)Installs into a folder of its own; several copies can sit side by sideWindows, Mac, Web, iOS, Android
Exness TerminalSpread (+ commission on Raw/Zero)Nothing installed at all; a session lives in a browser tabAny modern web browser
Exness Trade appSpread (+ commission on Raw/Zero)One install per device, replaced rather than duplicatediOS, Android

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The desktop terminals are the ones that can be multiplied on a single machine; the browser and the phone hold one session each. All of them read the same account.

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Download MetaTrader 4 (MT4) from your Personal Area area after you open an account, or try it first on a free demo.

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Why a second copy is a second folder, not a second program

The reason several installations can coexist is that the terminal treats its own folder as the whole of its memory. Chart layouts, saved templates, profiles and anything added by hand are written inside that folder, so a copy installed somewhere else starts empty and stays independent no matter what happens to the first one.

This is also why pointing a new installation at the destination already in use produces one copy rather than two: the second install lands on top of the first and inherits everything it had. Two copies exist only when two destinations were chosen.

Reasons to keep more than one

The common reason is that one set of settings does not fit two ways of working. A copy arranged for watching a handful of instruments on long charts is a poor place to also keep a dense working layout, and rearranging it every time costs more than keeping a second copy that is already arranged.

The other common reason is accounts. A copy holds one logged-in account at a time, so looking at two accounts at once means two copies open at once. Neither copy needs to know the other exists, and neither is disturbed when the other is closed.

Telling them apart once both are open

On screen the copies are identical, which is the one real cost of running several. Three things separate them in practice: the window title, which carries the account number and the server it is connected to; the shortcut, which can be renamed to whatever the copy is for; and the folder name itself, which is what the shortcut actually points at.

Naming the folders before anything else is the habit that pays here. A copy named for its purpose is recognisable in the launch list a month later, while a copy left with a numbered default name has to be opened to be identified.

Putting a second copy beside the first

  1. Decide what the second copy is for before installing it — a different account, or a different working layout. The answer becomes the folder name.
  2. Run the installer again and change the destination folder; leaving the destination alone updates the copy already there instead of adding one.
  3. Name the folder for its purpose rather than accepting a numbered default, because that name is what every shortcut will point at.
  4. Rename the shortcut to match, so the launch list reads as a list of jobs rather than a list of identical entries.
  5. Open both copies once, side by side, and check the window titles: the account number and server shown there are what will identify each copy from then on.

Settings arranged in one copy are not inherited by the other — anything wanted in both has to be placed in both.

What a second copy shares with the first

WhatShared between copies?Where it actually lives
Chart layouts and profilesNoInside each copy's own folder
Templates and added indicatorsNoInside each copy's own folder
The logged-in accountNoOne account per running copy
The shortcut nameNoSet per shortcut, pointing at a folder
The market data itselfYesThe same server feeds every copy
The machine's screen spaceYesThe only thing the copies compete for

Anything in the first group has to be set up again in each copy; anything in the second is the same wherever it is read.

Frequently asked questions

Can more than one copy of MetaTrader 4 be installed on the same computer?
Yes. Each installation goes into its own destination folder and runs independently of the others. The limit is practical rather than technical — screen space and the ability to tell the copies apart, not a cap on the number of installations.
Do two installations share settings, charts or templates?
No. A copy stores its profiles, chart layouts, templates and added indicators inside its own folder, so a second copy starts with none of them. Anything wanted in both copies has to be placed in both.
Why did a second install replace the first instead of adding a copy?
Because the destination folder was left unchanged. Installing into a folder already in use updates the copy that is there; a second copy appears only when a different destination is chosen.
How do you tell two identical copies apart once both are running?
By the window title, which shows the account number and the server the copy is connected to, and by the shortcut and folder names, which can be set to whatever the copy is for. The taskbar shows one entry for each copy that is actually open.
Can two copies be logged into different accounts at the same time?
Yes. A running copy holds one account at a time, so viewing two accounts simultaneously means two copies open simultaneously. Neither copy is affected by what happens in the other.
Does running several copies at once change how any of them behave?
Each copy connects on its own and reads the same market data, so what is quoted in one is what is quoted in the others. The copies differ only in what has been set up inside them.

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