Microsoft Net Framework 4.5 Offline Installer Page

Right-click the downloaded file and select Run as Administrator . Accept Terms: Read and accept the license terms.

💡 The original .NET 4.5 offline installer was replaced by the more secure .NET 4.5.1 and .NET 4.5.2 updates. For best compatibility, download the .NET 4.5.1 offline installer—it provides the same runtime capabilities.

Complete Guide to Microsoft .NET Framework 4.5 Offline Installer microsoft net framework 4.5 offline installer

| Version | Key Changes | Support Status | Included In | |:--------|:------------|:---------------|:------------| | | Async/await, WinRT support, WebSocket | Support ended Jan 12, 2016 | Windows 8, Windows Server 2012 | | 4.5.1 | Performance improvements, debugging enhancements | Support ended Jan 12, 2016 | Windows 8.1, Windows Server 2012 R2 | | 4.5.2 | DPI scaling improvements, reliability fixes | Support ended Apr 26, 2022 | Not included in any OS; must be installed separately |

For your convenience, here are the official sources for the .NET Framework 4.5 offline installer: Right-click the downloaded file and select Run as

512 MB minimum (1 GB or more recommended for optimal performance).

Choose the file named NDP45-KB2745332-x86-x64-AllOS-ENU.exe (roughly 66MB) for the full offline experience. Run: Execute the installer file on the target computer. License Terms: Review and accept the license terms. For best compatibility, download the

It is the primary choice for installing the framework on servers or workstations located in air-gapped environments or areas with unreliable internet.

Are you using any like SCCM or Group Policy? Are you encountering a specific error code ?

The Microsoft .NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4, required for running many Windows applications

Right-click on dotNetFx45_Full_x86_x64.exe and select .