You should stay away from these important directories, do not try to access them or change because Windows needs data to run smoothly. There is no reason to edit them.
If you are running a 32-bit version of Windows, you can only install 32-bit software and they are stored in theProgram Files folder . On a 64-bit version of Windows, you will find the Program Files (x86) directory and the system will store the 32-bit software in it, while the 64-bit software will be included in the Program folder. Files .
In principle, you should never touch the data of programs in the Program Files or Program Files (x86) directory . They contain .DLL files and some other configuration information that the program needs to function. If you mess up the data in this, you probably will not be able to use a bunch of applications and eventually have to uninstall and then re-install them.
To uninstall the program in Windows, you can not hit the Delete key to delete that program directory as it would in other operating systems that need to run the uninstaller uninstaller of that software. According to Microsoft regulations, when you want to uninstall some software, the best way to do it is through the Programs and Featuresutility in the Control Panel system application .
Unfortunately, the option " Uninstall a program " in the above utility does not always completely remove the program.In these cases, you can use a third-party alternative.
2. System32
Location: C: \ Windows \ System32
Almost everything in the C: \ Windows directory is important , but the System32 subdirectory is especially noticeable because it contains hundreds of .DLL files that are essential for a system to run properly and stably. However, some users think that the System32 folder is caused by viruses, or even assume that deleting this folder will help the computer run faster.
The System32 folder usually contains the files that control the drivers of your computer, the files needed to boot into Windows, the resources that make the fonts display correctly, and much more. In addition, this directory also contains the executables of default Windows programs such as Calc.EXE to launch Calculator, MSPaint.EXE to run Microsoft Paint .
Actually, most normal users will have no reason to access the System32 folder of the Windows operating system.Because this folder contains important Windows files, if you tamper with it, you may have to reinstall your operating system.
3. Page File
Location: C: \ pagefile.sys
Typically, the RAM within the computer is responsible for temporarily storing open programs in the system. When you open a program such as Microsoft Word, it will be placed in RAM for faster access. That is why if the computer is equipped with more RAM, it will allow you to run as many programs simultaneously.
If the RAM on the system is full, Windows will automatically switch to using Page File as the replacement memory. At this point, some of the storage capacity will be used as RAM. Where your computer is configured with a large amount of RAM, Page File is rarely used. In contrast, older computer systems with limited RAM, Page File will be used more frequently. However, keep in mind that performance is hard to match with RAM.
Whenever you use a tool to clean up your computer, you may find that the Page File file is up to several gigabytes.Sometimes you want to disable the Page File feature to save space, but in general it's not a good idea. Without Page File, when the maximum RAM is exhausted, programs in the system may start clashing. Windows allows users to manually manage the amount of system virtual memory, and also provides an option for the operating system to automatically allocate virtual memory.
4. System Volume Information
Location: C: \ System Volume Information
Another large, but equally important, Windows system is System Volume Information . It actually contains a lot of operating system information. In fact, when trying to access this directory , Windows will display Access Denied error .This folder contains the System Restore Points that Windows has created so that you can restore your computer back to the state of any previous saved point.
As mentioned , the System Volume Information folder is growing in size as it continually contains additional recovery logs that the system automatically creates. To reduce the directory size, you can type the phrase "Restore Point" into the Windows Start Menu and click on the Create a Restore Point item .
In the window that appears, select the C: drive and click the Configure button . To enable system protection , check the " Turn on system protection " option. You can drag the slider in the Max Usage section to set the maximum amount of space the system can use to save the restore points.
Besides the recovery milestones , the System Volume Information folder saves data that the Windows operatingsystem uses to point to system drives. Without this data, finding information would be very slow. In addition, theSystem Volume Information folder also contains a Volume Shadow Copy service that is used to back up files.
5. WinSxS
Location: C: \ Windows \ WinSxS
WinSxS is the acronym for Windows Side By Side. This is a folder created to store Windows installation files as well as backup or update files. WinSxS was born in response to a problem that many users who have worked with Windows 9x often feel a headache. The term "DLL Hell" describes issues that arise when dynamic-link library files. Dir conflict, duplication, or corruption.
To overcome this, Microsoft uses the WinSxS directory to collect multiple versions of each .DLL file and load them upon request when Windows runs a program. This increases compatibility, such as when a program needs access to an old .DLL library that is no longer in the Windows directory.
The longer Windows uses, the larger WinSxS directory. However, trying to choose to delete old files out here is a bad idea. You should not directly access this directory. Instead, use the Windows built-in Disk Cleanup tool to delete unnecessary files.
1. Program Files and Program Files (x86)
Location: C: \ Program Files and C: \ Program Files (x86)
When installing software in the Windows operating system, you usually have to open the executable file .EXE and go through the installation steps. During this time, the application is creating itself a separate directory located in theProgram Files or Program Files (x86) directory of the system, while adding the values in the Registry and performing other tasks that it owns. It needs to work properly on the system. Therefore, if you go to the Program Files orProgram Files (x86) directory , you will find individual directories of most installed programs.
Location: C: \ Program Files and C: \ Program Files (x86)
When installing software in the Windows operating system, you usually have to open the executable file .EXE and go through the installation steps. During this time, the application is creating itself a separate directory located in theProgram Files or Program Files (x86) directory of the system, while adding the values in the Registry and performing other tasks that it owns. It needs to work properly on the system. Therefore, if you go to the Program Files orProgram Files (x86) directory , you will find individual directories of most installed programs.
The Program Files and Program Files (x86) directories contain programs that are already installed on Windows
If you are running a 32-bit version of Windows, you can only install 32-bit software and they are stored in theProgram Files folder . On a 64-bit version of Windows, you will find the Program Files (x86) directory and the system will store the 32-bit software in it, while the 64-bit software will be included in the Program folder. Files .
In principle, you should never touch the data of programs in the Program Files or Program Files (x86) directory . They contain .DLL files and some other configuration information that the program needs to function. If you mess up the data in this, you probably will not be able to use a bunch of applications and eventually have to uninstall and then re-install them.
To uninstall the program in Windows, you can not hit the Delete key to delete that program directory as it would in other operating systems that need to run the uninstaller uninstaller of that software. According to Microsoft regulations, when you want to uninstall some software, the best way to do it is through the Programs and Featuresutility in the Control Panel system application .
Unfortunately, the option " Uninstall a program " in the above utility does not always completely remove the program.In these cases, you can use a third-party alternative.
2. System32
Location: C: \ Windows \ System32
Almost everything in the C: \ Windows directory is important , but the System32 subdirectory is especially noticeable because it contains hundreds of .DLL files that are essential for a system to run properly and stably. However, some users think that the System32 folder is caused by viruses, or even assume that deleting this folder will help the computer run faster.
In addition to the .DLL system files, the System32 folder also contains the default Windows programs
Actually, most normal users will have no reason to access the System32 folder of the Windows operating system.Because this folder contains important Windows files, if you tamper with it, you may have to reinstall your operating system.
3. Page File
Location: C: \ pagefile.sys
Windows uses a file called Page File that exchanges data, storing RAM data into it when system memory is full or overloaded. Page File is also known as a virtual memory set up on the storage drive, which adds additional capacity to the actual RAM. Technically, this will affect the life of the drive because of frequent access, and it will also occupy approximately the same amount of space as the system's RAM.
The Page File memory virtualization setup window
Typically, the RAM within the computer is responsible for temporarily storing open programs in the system. When you open a program such as Microsoft Word, it will be placed in RAM for faster access. That is why if the computer is equipped with more RAM, it will allow you to run as many programs simultaneously.
If the RAM on the system is full, Windows will automatically switch to using Page File as the replacement memory. At this point, some of the storage capacity will be used as RAM. Where your computer is configured with a large amount of RAM, Page File is rarely used. In contrast, older computer systems with limited RAM, Page File will be used more frequently. However, keep in mind that performance is hard to match with RAM.
Whenever you use a tool to clean up your computer, you may find that the Page File file is up to several gigabytes.Sometimes you want to disable the Page File feature to save space, but in general it's not a good idea. Without Page File, when the maximum RAM is exhausted, programs in the system may start clashing. Windows allows users to manually manage the amount of system virtual memory, and also provides an option for the operating system to automatically allocate virtual memory.
4. System Volume Information
Location: C: \ System Volume Information
Another large, but equally important, Windows system is System Volume Information . It actually contains a lot of operating system information. In fact, when trying to access this directory , Windows will display Access Denied error .This folder contains the System Restore Points that Windows has created so that you can restore your computer back to the state of any previous saved point.
System Volume Information contains a lot of important information about your Windows system
As mentioned , the System Volume Information folder is growing in size as it continually contains additional recovery logs that the system automatically creates. To reduce the directory size, you can type the phrase "Restore Point" into the Windows Start Menu and click on the Create a Restore Point item .
In the window that appears, select the C: drive and click the Configure button . To enable system protection , check the " Turn on system protection " option. You can drag the slider in the Max Usage section to set the maximum amount of space the system can use to save the restore points.
Besides the recovery milestones , the System Volume Information folder saves data that the Windows operatingsystem uses to point to system drives. Without this data, finding information would be very slow. In addition, theSystem Volume Information folder also contains a Volume Shadow Copy service that is used to back up files.
5. WinSxS
Location: C: \ Windows \ WinSxS
WinSxS is the acronym for Windows Side By Side. This is a folder created to store Windows installation files as well as backup or update files. WinSxS was born in response to a problem that many users who have worked with Windows 9x often feel a headache. The term "DLL Hell" describes issues that arise when dynamic-link library files. Dir conflict, duplication, or corruption.
Use the Disk Cleanup utility to clean the disk
The longer Windows uses, the larger WinSxS directory. However, trying to choose to delete old files out here is a bad idea. You should not directly access this directory. Instead, use the Windows built-in Disk Cleanup tool to delete unnecessary files.
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