Options Setting on Tools Menu in MT5 Platform
The options button is used for a variety of many different tasks on the MT5. The options button is listed within the tools menu in the MT5 as shown below. The Shortcut keys for this - Ctrl+O.

MT5 Options Settings
These are shown below: list of the various MT5 buttons are shown as tabs as shown on screenshot below. To edit anything on this panel just click any of these MT5 buttons & then change the settings.

Server
The server settings for MT5 are shown below. A trader can edit from this tab, but most of the times it is not necessary as these options are automatically preset to the brokers' server settings by the broker and there is no need to re-adjust them. However, just for guide purposes, Server will show the server of your stock indices trading broker and if it is a Demo or a Real Server. The MT5 account login & password will also be displayed below and as a trader you can change the password from this window for demo stock indices trading accounts, however be careful if you are changing passwords make sure to remember them.

Other options are, enable proxy server, this is not required, Keep personal data at startup, this is ticked by default, that way the software will automatically remember your log in & password so that you don't have to type them every time you sign in to your platform. Enable DDE server is not required, Enable news is ticked and you can receive real time news to your MT5 on News options, located in Terminal window panel, (Shortcut Keys Ctrl+T).
Indices Chart

following are marked on Charts Options
Show Trade Levels - These lines will show levels where orders were placed, it will also show levels where pending stock indices orders are placed. This will also show the Take Profit Indices Order & Stop Loss Indices Order levels. These trade zones lines appear as red broken lines marking these trade levels.
If there is no open transaction, no level will be shown: if many stock indices trades have been placed, multiple lines will be displayed for these levels.
Use the Alt key to drag trade areas is not a very suitable option to use, because if you place many orders you might change wrong order, therefore it is best to leave this as it's & not change it (Probability of this one losing you money is there so leave as it is)
Show OHCL - Show Opening, High, Closing and Low Indices Prices for every candlestick
Show Ask Line - Show the Bid Indices Price, (no need for this)
Show period separators - a separator will draw a line where the daily chart starts and ends, for example if you trade with 5 minutes, 15 minute or 1 Hour Charts the period separator will draw a vertical line when the stock indices market closes for each trading day. (4 Hour separator is Weekly, for Daily and Weekly separator is Monthly).
Color Print - To print in color & not black white which is set by default, use this option & then the next time you print it will be a colored print & not black and white.
Save deleted charts to reopen - Save all charts that are deleted and these can be accessed later at any time within.
Max bars in History, Max bars in Chart - To save computer resources RAM, Processor Speed and Hard disk Space, these bars stored are limited to a specific number that is optimum, it is best to use default number selected.
Objects
These are:
Show properties after creation - immediately display indicator/line tool settings after it is added on chart to facilitate editing of their properties settings.
Select Object after creation - an technical indicator/line tool can be chosen by double-clicking on it once it is drawn, to facilitate editing of its properties.
Select object by single mouse click - select an indicator/line tool using single mouse click not double clicking, double clicking will show properties window of indicator/line tool
Magnet Sensitivity - immediately draw a line tool to the nearest low or high that's within 10 pixels of the point selected. This allows for lines drawn to more or less be placed on the levels that they are intended without much editing by aligning these lines to the nearest high or low of indices price.

Trade
These are default used by the platform to determine what instrument you buy and what amount you buy.

Symbol by Default - Automatically set to the open chart which you've open
Size by default - Automatically use the last lot size, or set every trade to be default of 1 lot or 2 lots or 1 micro lot or 2 micro lots by select the default button and then choosing the number of lots from the drop don list next to this option.
Deviation - Set the allowed number of pips that can move away when executing an order for example 2 pips, or zero pips if you want to specify to place stock indices trades at the exact level where you click.
One Click trading - Place stock indices trades buy or sell with one click. (Do not use this option as it is prone to mistakes and no time to correct, this option can lose you money.)
Automated Indices Expert-Advisors
Automated Indices Expert Advisors window is shown below:

The following options are used:
Enable Automated Indices Trading Expert Advisors - Allow for Automated Indices Expert Advisor to be placed on chart for automated execution purposes
Disable experts when accounts have been changed - login to a different MT5 account deactivates Automated Indices Expert Advisors
Disable Experts when profile has been change - When you change profiles the Automated Indices Expert Advisors setting for allowing trading in new profile is deactivated until you allow and manually place an Expert Advisor on this new opened chart.
Allow Live Trading - Give Permission to Expert Advisor to open stock indices trades on the live stock indices market.
(Ask Manual Confirmation - no needs for this if you're using Automated Indices Trading Expert Advisors, leave this one as it is displayed without checking it.)
Allow DLL imports - Dynamic Link Libraries, which are external, unless this is required this should be left unticked. (External means that these libraries are referenced from a source external & outside your PC computer, so you should try to be careful with this one)
Confirm DLL functions calls - Exercise manual permission for each and every function call, either allow it or disallow it depending on your trade parameters.
Allow External Experts imports - This is used to allow your Automated Indices Expert Advisor to reference some data from another Expert Advisor that's in another place, away from your PC computer, (External means these Expert-Advisor Indices Trading Robots are referenced from external sources outside your PC computer, so be careful with this option)
Notifications
To receive notification to your phone from your MT5 software, use the notifications option displayed below. Not that you require to have a sign up ID, from Metaquotes to begin receiving these notifications sent to your phone via text messages.
Check the option, Enable Push Notifications, put your ID, press test & you should get a test notification text message. You require to first sign up for this ID, to do so, use the following panel on your MT5 and follow the instruction you will get from this Notification window.

Email Settings
Most traders may not really require this, but if you are one of the ones that require, the settings can be placed below.
Lets use this company, that owns this web site, www.tradestockindices.com, click and check the button labeled 'Enable' the respective mail settings are shown below and the SMTP setting is 'SMTP: Port 465', Select and put these as shown below. Click test & check your inbox to confirm you receive the message.

Events
Events in MT5 are notifications, either sound notification, an email or SMS alert. The notifications can be set for different events such as timeout, connect, disconnect, news, Automated Indices Trading Expert Advisor, EA confirmation, stock indices price level alert and requote alert.

The various types of alert actions which can be set for any event can be selected by double-clicking on event action, pressing the drop-down arrow and then choosing the alert action you want from the drop-down list illustrated and shown below.

MQL5 Stock Indices Expert Advisor Bots Community
The MQL5 forum is a forum where traders can find others & Exchange Automated Indices Expert Advisors & Indices Trading Signals with each other. Indices traders have to register to this community and can then access services from their platform directly. To get details on how to access and register in this community, login to your MT5 software & go to window shown below and follow the instructions.

Trading Signals
Signal settings are provided by MQL5, MQL5 is the owner of MetaTrader Software. The Signals service allows traders to adjust the following:

Signal - First Subscribe to a signal
Agree to Terms - Agree to the terms of using signal service
Enable Real time signal subscription - allow real-time transmission of trading signals to your platform.
Use Trusted Execution Token(TET) - Trusted execution token means you don't have to open your MetaTrader 5 on your PC Desktop computer to have signals executed, Trusted Execution Token will allow signals to be executed even if your MetaTrader 5 is not started on your PC computer.
Copy Stop Loss Indices Order & Take Profit Indices Order Areas - Copy these levels from the signal provider automatically.
Use no more than - Option for indices trading money management, set an amount of 10% for aggressive traders & 5% for non-aggressive traders, that way you limit your risk capital in your account.
Stop if equity is less than - Set a percentage to calculate this level for example if your equity is $10,000 then use 70%, that is $7,000 and set this amount: if the signal makes a loss up to this point the signal execution is stopped.
Deviation/Slippage - you can set a value like 2 so as to give some flexibility in case of slippage of a few pips here and there when executing stock indices trades with your broker, especially if your indices broker is one of those that requotes you. (Get an STP Broker with No-Requotes Policy to guarantee execution of your trades and avoid these slippages).


