Steps for installing .net framework 3.5 in Windows.

Summary: Steps for installing .net framework 3.5 in Windows.See less Steps for installing .net framework 3.5 in Windows.

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This article provides information on how khổng lồ install .NET Framework 3.5 within Windows 8 / 8.1 / 10 to lớn resolve potential application compatibility issues.

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Issue installing applications that need .NET Framework 3.5 in Windows 8 or 8.1

Both Windows 8 và 8.1 ship with the newer version of .NET Framework--version 4.5 for Windows 8 & version 4.5.1 for Windows 8.1. There may be times when an application requires the previous .NET Framework version 3.5 & won"t install on a system with Windows 8 or 8.1.

When trying to lớn install the program in Windows 8 or 8.1, an error code of 0x800f081f may appear along with the following message (Figure 1):

Figure 1

The same error will also appear if .NET Framework 3.5 is enabled in Control Panel/Programs và Features/Turn Windows features on or off (Figure 2):

Figure 2

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Steps lớn install .NET Framework 3.5 in Windows 8 / 8.1 / 10 và resolve the issue

To resolve this issue, you can manually install .NET Framework 3.5 from the Windows 8 or 8.1 install truyền thông using the Deployment Image Servicing Management (DISM) CMD tool. Follow the steps below to ensure the software is installed correctly:

Note: It is recommended before you perform the steps below that you create a backup of your system files. You can use the Backup and Recovery Manager to create a restore disc for your system.
Insert the Windows 8/8.1 install media and cảnh báo what drive letter is allocated khổng lồ it (normally this will be ‘D:’ if no Optical Disc Drive is installed, và ‘E:’ if an Optical Disc Drive is installed). Run the command DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:x:sourcessxs remembering lớn replace the letter "x" within "Source:x" with the drive letter of the install media. The CMD window will show a progress bar; the process should take 3-5 minutes to complete. You should now be able lớn install the initial application that needed the .NET Framework 3.5 version.

Please refer lớn this issue at Microsoft"s Developer Network

site for further information.

Windows 10 Instructions:

Once the file downloads, you can simply mount it by double clicking it. Now mở cửa an Admin Command Prompt & use DISM.exe khổng lồ install .NET Framework 3.5 (replace D with the drive letter that your Windows 10 ISO image was mounted to): DISM.EXE /Online /Add-Package /PackagePath:"" Once the command completes, you can kiểm tra that .NET Framework 3.5 was successfully installed by reopening the Turn Windows features on or off dialog.

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