Transfer the downloaded file via a USB flash drive to the offline computer. Right-click dotnetfx35.exe and select . Follow the on-screen prompts to deploy the files.
: Type or paste the following command, replacing D: with your actual drive letter:
/Source : Directs the tool to fetch the installation binaries straight from the local media folder instead of querying the internet. Transfer the downloaded file via a USB flash
Restart if prompted.
If you have internet access and simply want the installer files to use later: : Type or paste the following command, replacing
| Error Code | Common Causes | Solutions to Try | | :--- | :--- | :--- | | | The installation cannot find the necessary source files. | 1. Ensure the source path (the /Source: part of your command) is correct. 2. Do not use files from a different version of Windows. You must use an ISO or .cab file that matches the specific version (e.g., Windows 11 23H2) and architecture (e.g., 64-bit) of your current OS. | | 0x800f0906 | Similar to the above; unable to download or locate source files. | Same solutions as for 0x800f081f . This is a source file mismatch or unavailability error. | | 0x800F0922 / 0x80070005 | Often related to Group Policy restrictions or Windows Update service issues. | 1. Use the DISM command with a local source, as described above. 2. If that fails, check your Group Policy Editor ( gpedit.msc ). Navigate to Computer Configuration -> Administrative Templates -> System and ensure "Specify settings for optional component installation and component repair" isn't set to prevent installation. 3. Run the Windows Update troubleshooter from Settings ( Settings > Update & Security > Troubleshoot > Additional troubleshooters ). | | 0x80072EE2 | A network-related error, often caused by a system configured to use a WSUS server. | Temporarily bypass WSUS by modifying the registry. Open regedit and navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU . Find the UseWUServer DWORD and change its value to 0 . Then restart your computer and try the installation again. You can change it back to 1 afterwards. |
I can provide a tailored script or registry fix based on your situation. Share public link use the built-in Windows Features menu.
If you have a stable internet connection but simply want a straightforward installation wizard without downloading third-party executable tools, use the built-in Windows Features menu. Press the to open the Run dialog box. Type optionalfeatures and press Enter .
If you run into any system errors during this process, let me know: What did Windows display? Do you have access to a Windows installation ISO or USB ? Which Windows version (10 or 11) are you currently running?
Dism /online /enable-feature /featurename:NetFX3 /All /Source:X:\sources\sxs /LimitAccess Use code with caution.
Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Wait for completion