![]() ![]() With over a decade of writing experience in the field of technology, Chris has written for a variety of publications including The New York Times, Reader's Digest, IDG's PCWorld, Digital Trends, and MakeUseOf. Chris has personally written over 2,000 articles that have been read more than one billion times-and that's just here at How-To Geek. 64-bit programs still use the normal Program Files folder.Ĭhris Hoffman is the former Editor-in-Chief of How-To Geek. When you run a 32-bit program on a 64-bit edition of Windows, the WOW64 emulation layer seamlessly redirects its file access from "C:\Program Files" to "C:\Program Files (x86)." The 32-bit program tries to access the Program Files directory and is pointed to the Program Files (x86) folder. Windows runs 32-bit applications on 64-bit versions of Windows using something called WOW64, which stands for "Windows 32-bit on Windows 64-bit." So, 32-bit programs get installed to the "C:\Program Files (x86)" folder, instead. However, 64-bit versions of Windows also support 32-bit programs, and Microsoft doesn't want 32-bit and 64-bit software getting mixed up in the same place. On 64-bit versions of Windows, 64-bit applications install to the Program Files folder. In other words, programs install to the Program Files folder. This Program Files folder is the recommended location where programs you install should store their executable, data, and other files. On 32-bit versions of Windows-even 32-bit versions of Windows 10, which are still available today-you'll only see a "C:\Program Files" folder. While this guide is focused on Windows 10 and 11, it’s important to note that these variables will also work on Windows 8.1, Windows 7, and Windows Vista.Originally, Windows was only available as a 32-bit operating system. You can always view all the environment variables available on your device using the Get-ChildItem Env: | Sort Name PowerShell command. Keep in mind that some of the variables mentioned are not location-specific, including %COMPUTERNAME%, %PATHEXT%, %PROMPT%, %USERDOMAIN%, %USERNAME%. Outputs random number from 0 through 32767.Īlthough you can use environment variables to access certain locations within Windows 11 quickly, you’ll typically use these variables when building a script or an application. ![]() Outputs the number of physical and virtual cores. Outputs the number of defining exit status of previous command. ![]() Outputs the number of current command processor extensions. Outputs command line used to launch current Command Prompt session. %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\ Userdomain associated with roaming profile. Windows 11 (and 10) default environment variables VariableĬ:\Windows\system32 C:\Windows C:\Windows\System32\Wbem This guide will teach you the list of the most common environment variables you can use on Windows 11 (and on Windows 10). Or you can use the “%HOMEPATH%” variable to access the current user’s default profile folder location (where the system stores the folders for Desktop, Documents, Downloads, and OneDrive). ![]() UPDATED : On Windows 11 (and 10), environment variables are predefined names representing the path to certain locations within the operating system, such as a drive or a particular file or folder.Įnvironment variables can be helpful in many scenarios, but they’re particularly useful if you’re a network administrator or troubleshooting a device, as you can quickly navigate to certain locations without even knowing the username or full path to a system folder.įor example, instead of browsing a path like “C:\Users\UserName\AppData\Roaming,” you can open the “Run” command, type this variable “%APPDATA%,” and press Enter to access the same path. ![]()
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