If you are currently using .NET Framework 4.5.2, 4.6, or 4.6.1, Microsoft strongly recommends that you update your deployed runtime to a more recent version, such as .NET Framework 4.6.2 or .NET Framework 4.8.1, to continue receiving updates and technical support.
The offline installer is ideal for systems without an active internet connection or for deploying to multiple machines simultaneously. Official Offline Installer: You can download the full setup package from the Microsoft Support Page or find direct links on resources like System Requirements:
To confirm if .NET 4.5 or later is already installed, you can check the Windows Registry: Microsoft Learn (Registry Editor). Navigate to: microsoft net framework 4.5 offline installer
Open an elevated Command Prompt and execute the following command: dotNetFx45_Full_setup.exe /q /norestart Use code with caution.
Grant administrative permission when the User Account Control (UAC) prompt appears. If you are currently using
⚠️ Avoid "third-party" repack sites. Many inject adware or outdated, vulnerable versions. Always check the digital signature (Microsoft Corporation) on the file properties.
To ensure you get the right setup, could you share you are deploying to, and whether you need specific language packs ? Share public link Navigate to: Open an elevated Command Prompt and
If you try to install .NET 4.5 on a machine running Windows 10 or 11, the installation will fail. This happens because a newer version (like .NET 4.8) is already baked into the OS. Because .NET 4.x versions are backward compatible, applications requiring 4.5 will work automatically without installing the legacy 4.5 framework. Corrupted Components
On machines with slow internet, running a pre-downloaded 66MB+ file is significantly faster than waiting for the web bootstrapper to fetch components. System Requirements
Install Windows 7 SP1 and the KB2999226 (Universal C Runtime) update before running the .NET installer. 3. Corrupt Installation File