How to determine whether a computer is running a 32-bit version or 64-bit version of the Windows operating system

Windows 8

There are two methods that you can use to determine whether you are running a 32-bit or 64-bit version of Windows 8. If one method does not work, try the other method. 

Method 1: View the System window in Control Panel

1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
2. Type system in the search box, and then tap or click Settings.
3. Tap or click System.
4. If you are running a 64-bit version of Windows 8, 64-bit Operating System is displayed in the System type field under the System heading. If you are running a 32-bit version of Windows 8, 32-bit Operating System is displayed in the System type field under the System heading.

Method 2: View the System Information window

1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
2. In the search box, type system information.
3. Tap or click System, tap or click System Information, and then click System Summary.
4. If you are running a 64-bit version of Windows 8, x64-based PC is displayed in the System type field under the Item heading.
   If you are running a 32-bit version of Windows 8, x86-based PC is displayed in the System type field under the Item heading.  

Windows Vista or Windows 7

If you have Windows Vista or Windows 7, there are two methods to determine whether you are running a 32-bit version or a 64-bit version. If one method does not work, try the other method.

Method 1: View the System window in Control Panel

1. Click Start

, type system in the Start Search box, and then click system in the Programs list.

2. The operating system is displayed as follows:
• For a 64-bit version operating system, 64-bit Operating System appears for the System type under System.
• For a 32-bit version operating system, 32-bit Operating System appears for the System type under System.

Method 2: View the System Information window

1. Click Start

, type system in the Start Search box, and then click System Information in the Programs list.

2. When System Summary is selected in the navigation pane, the operating system is displayed as follows:
• For a 64-bit version operating system, x64-based PC appears for the System type under Item.
• For a 32-bit version operating system, x86-based PC appears for the System type under Item.

Windows XP

If you have Windows XP, there are two methods to determine whether you are running a 32-bit version or a 64-bit version. If one method does not work, try the other method.  

Method 1: View the System window in Control Panel

1. Click Start, and then click Run.
2. Type sysdm.cpl, and then click OK.
3. Click the General tab. The operating system is displayed as follows:
• For a 64-bit version operating system, Windows XP Professional x64 Edition Version < Year> appears under System.
• For a 32-bit version operating system, Windows XP Professional Version <Year> appears under System.

Note <Year> is a placeholder for a year.

Method 2: View the System Information window

1. Click Start, and then click Run.
2. Type winmsd.exe, and then click OK.
3. When System Summary is selected in the navigation pane, locate Processor under Item in the details pane. Note the value.
• If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version of Windows.
• If the value that corresponds to Processor starts with IA-64 or AMD64, the computer is running a 64-bit version of Windows.

Windows Server 2003

If you have Windows Server 2003, there are two methods to determine whether you are running a 32-bit version or a 64-bit version. If one method does not work, try the other method.

Method 1: View System Properties in Control Panel

1. Click Start, and then click Run.
2. Type sysdm.cpl, and then click OK.
3. Click the General tab. The operating system is displayed as follows:
• For a 64-bit version operating system, Windows Server 2003 Enterprise x64 Edition appears under System.
• For a 32-bit version operating system, Windows Server 2003 Enterprise Edition appears under System.

Method 2: View the System Information window

1. Click Start, and then click Run.
2. Type winmsd.exe, and then click OK.
3. When System Summary is selected in the navigation pane, locate Processor under Item in the details pane. Note the value.
• If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version of Windows.
• If the value that corresponds to Processor starts with EM64T or IA-64, the computer is running a 64-bit version of Windows.

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Airtel USSD Codes and SMS Commands

Here are some useful Airtel USSD codes and SMS Commands

• Dial *555# : Daily and monthly sms packs
• Dial *222# : Special five offers
• Dial *141# : Airtel Gift services
• Dial *325# : Facebook fontwish service
• Dial *121# : My Airtel My offer
• Dial *123*7# : To check Airtel-to-Airtel special balance
• Dial *123*10#: To check Airtel 2G data balance
• Dial *123*11#: To check Airtel 3G data balance
• Dial *125*5# : To check daily SMS count
• Dial *123# : To check Main Balance and Validity
• Dial *567# : For Mobile Office Activation and De-Activation
• Dial 121 : For Customer Care
• Dial 198 : For Complaints
• Dial 123 : To Recharge your account
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Airtel SMS Commands

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Windows 7 starting with a temporary profile

I solved my problem by going into the registry and delete the effected profile's subfolder under 

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

How to disable plugin-container for Firefox

Plugin-container.exe is a Firefox process that is used to load plugins separately so if a plugin crashes Firefox won’t be affected by the crash and will stay responsive.

Sadly there are a lot of people experiencing problems with plugin-container so in some cases they might want to disable it. In previous versions of Firefox it was possible to disable plugin-container.exe by

1. Enter about:config in your address bar
2. Search for dom.ipc.plugins.enabled
3. Set their values to false

This method doesn’t seem to work anymore with the newer versions of Firefox. Luckily there is a different workaround by setting a system or a user enviroment variable.

1. Right click on your computer icon on the desktop and click properties
2. Go to Advance system settings
3. Click the button called "Environment Variables"
4. Click the “New” button under User variables or System variables depending if you want the change to affect all the users on the system or just the one you are currently logged as
5. Set the variable name to MOZ_DISABLE_OOP_PLUGINS and its value to 1

And you are done. Restart or re-launch Firefox and you will notice that plugin-container.exe will not be used any more.