Download ^new^ Dotnetfx45-full-x86-x64.exe Offline Installer Jun 2026

: Microsoft strongly recommends upgrading to a supported version, such as .NET Framework 4.8.1 , which is a highly compatible, in-place update. Download Information

Microsoft .NET Framework 4.5 (Offline Installer).

While Microsoft has officially reached the end of support for version 4.5, you can still access the offline installers from the Official Microsoft Download Center . Download Page .NET Framework 4.5.1 (Offline): Download Page .NET Framework 4.5.2 (Offline): Download Page 💻 System Requirements & Compatibility download dotnetfx45-full-x86-x64.exe offline installer

The file is the preferred choice for system administrators and developers for several reasons:

: It no longer receives technical support or security patches from Microsoft. : Microsoft strongly recommends upgrading to a supported

For system administrators and scripted deployments, the offline installer supports silent installation with the following parameters:

: Since .NET 4.5 is an "end of life" product, Microsoft often recommends the Microsoft .NET Framework 4.5.2 (Offline Installer) , which is more stable and widely compatible with Windows Vista SP2, Windows 7 SP1, and Windows 8. Download Page

Windows 7 SP1, Windows Vista SP2, Windows Server 2008 SP2/R2 SP1 1 GHz or faster 512 MB minimum Disk Space (x86) 850 MB (for 4.5) to 4.5 GB (for 4.5.2) Disk Space (x64) 2 GB (for 4.5) to 4.5 GB (for 4.5.2) Installation Instructions