Expected behavior:
Ve al sitio web de Microsoft y busca "Descargar Microsoft .NET Framework 4.5". O usa enlace directo (asegúrate de que sea microsoft.com).
.NET Framework 4.5 requires a specific Windows update to install on Windows 7 SP1.
Download and install:
KB3063858 – Update for Windows 7 SP1
Direct download links (official Microsoft):
After installing this update, restart your computer. instalar net framework 45 para windows 7 new
Microsoft no longer prominently hosts .NET 4.5 for Windows 7, but the official package still works.
Download link (official):
➡️ Microsoft .NET Framework 4.5 (Offline Installer)
File name: dotNetFx45_Full_x86_x64.exe
Size: ~68 MB Expected behavior:
Last updated: 2026
Target OS: Windows 7 Service Pack 1 (SP1)
If you’re running Windows 7 and a modern application asks for .NET Framework 4.5 (or 4.5.x), you might think it's impossible. However, with the right offline installer and prerequisites, you can get it working.
Important Note: Microsoft officially ended support for Windows 7 in January 2020. Installing new frameworks on an unsupported OS carries security risks. This guide is for legacy/offline systems or specific software requirements. Ve al sitio web de Microsoft y busca "Descargar Microsoft
Expected behavior:
Ve al sitio web de Microsoft y busca "Descargar Microsoft .NET Framework 4.5". O usa enlace directo (asegúrate de que sea microsoft.com).
.NET Framework 4.5 requires a specific Windows update to install on Windows 7 SP1.
Download and install:
KB3063858 – Update for Windows 7 SP1
Direct download links (official Microsoft):
After installing this update, restart your computer.
Microsoft no longer prominently hosts .NET 4.5 for Windows 7, but the official package still works.
Download link (official):
➡️ Microsoft .NET Framework 4.5 (Offline Installer)
File name: dotNetFx45_Full_x86_x64.exe
Size: ~68 MB
Last updated: 2026
Target OS: Windows 7 Service Pack 1 (SP1)
If you’re running Windows 7 and a modern application asks for .NET Framework 4.5 (or 4.5.x), you might think it's impossible. However, with the right offline installer and prerequisites, you can get it working.
Important Note: Microsoft officially ended support for Windows 7 in January 2020. Installing new frameworks on an unsupported OS carries security risks. This guide is for legacy/offline systems or specific software requirements.