While version 4.5 was the initial release, Microsoft highly recommends installing the later, more secure sub-versions (4.5.1 or 4.5.2) which are fully compatible with Windows 7 SP1.
You are missing Windows 7 Service Pack 1 . Solution: Download and install SP1 from Microsoft (KB976932) – file size ~900 MB for x64. Reboot, then try .NET 4.5 again. While version 4
However, the offline installer is not without its prerequisites and pitfalls, which any administrator or advanced user must heed. Before running the offline installer for .NET Framework 4.5 on Windows 7 64-bit, the system must have two critical updates installed: (the Windows 7 Service Pack 1 update) and KB2785094 (the D3DCompiler update). Without these, the installer will fail with cryptic error codes. The offline installer itself does not fetch these updates; that is the user’s responsibility. Consequently, a truly reliable offline deployment strategy involves not just the .NET 4.5 installer, but a USB drive containing these prerequisite updates as well. Furthermore, note that .NET Framework 4.5 is an in-place replacement for .NET 4.0—installing it will overwrite version 4.0, but it runs side-by-side with older versions (2.0, 3.0, 3.5). This is generally beneficial but must be tested with critical legacy applications. Reboot, then try
The offline installer had saved John a lot of time and frustration. He was grateful to Microsoft for providing such a useful tool, which allowed him to install the required framework even without an active internet connection. Without these, the installer will fail with cryptic
To confirm that .NET 4.5 is correctly installed on your Windows 7 64-bit system:
An offline installer is a complete package that does not require an active internet connection during the installation process. .NET Framework 4.5 .
While version 4.5 was the initial release, Microsoft highly recommends installing the later, more secure sub-versions (4.5.1 or 4.5.2) which are fully compatible with Windows 7 SP1.
You are missing Windows 7 Service Pack 1 . Solution: Download and install SP1 from Microsoft (KB976932) – file size ~900 MB for x64. Reboot, then try .NET 4.5 again.
However, the offline installer is not without its prerequisites and pitfalls, which any administrator or advanced user must heed. Before running the offline installer for .NET Framework 4.5 on Windows 7 64-bit, the system must have two critical updates installed: (the Windows 7 Service Pack 1 update) and KB2785094 (the D3DCompiler update). Without these, the installer will fail with cryptic error codes. The offline installer itself does not fetch these updates; that is the user’s responsibility. Consequently, a truly reliable offline deployment strategy involves not just the .NET 4.5 installer, but a USB drive containing these prerequisite updates as well. Furthermore, note that .NET Framework 4.5 is an in-place replacement for .NET 4.0—installing it will overwrite version 4.0, but it runs side-by-side with older versions (2.0, 3.0, 3.5). This is generally beneficial but must be tested with critical legacy applications.
The offline installer had saved John a lot of time and frustration. He was grateful to Microsoft for providing such a useful tool, which allowed him to install the required framework even without an active internet connection.
To confirm that .NET 4.5 is correctly installed on your Windows 7 64-bit system:
An offline installer is a complete package that does not require an active internet connection during the installation process. .NET Framework 4.5 .