How to Fix .NET Framework 3.5 Error 0x800F081F on Windows 10 / 11 | 100% Working (2025 Guide) ✔️

Are you struggling with the error "0x800F081F" while installing .NET Framework 3.5 in Windows 10 or Windows 11?

In this step-by-step tutorial, you'll learn how to fix the full error:

🔴 Windows Features

The following feature couldn't be installed:
.NET Framework 3.5 (includes .NET 2.0 and 3.0)
Windows couldn't find required files to complete the requested changes.
Make sure you're connected to Internet, and try again.
Error code: 0x800F081F

✅ This method will help you enable .NET Framework 3.5 offline using the DISM command and a local source CAB file. No internet needed during the install!

📥 Download the Required .CAB File
🔗 Click to Download

🧾 Command to Use in CMD (Run as Admin):

Dism.exe /online /enable-feature /featurename:NetFX3 /source:C:\ /LimitAccess

📌 This Fix Works For:
• .NET Framework 3.5 installation failed
• Error 0x800F081F .NET Windows 11
• Cannot install .NET 3.5 in Windows Features
• Windows couldn't find required files to complete the requested changes
• Fix DISM command issues in .NET install
• Enable .NET Framework 2.0 and 3.0 in Windows 10/11
• Install .NET Framework 3.5 offline manually
• Resolve Windows Update blocking .NET installation

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#NetFramework35 #Error0x800F081F #Windows11Fix #Windows10Tips #DismCommand #TechTutorial