Dotnet 4.5 Offline Installer ((free)) May 2026

Keep the 4.5 offline installer in your legacy toolkit, but use 4.8 for new deployments. Have a specific error code while trying to install? Leave a comment below (or check the Microsoft Event Viewer logs for the exact HRESULT).

However, for 99% of users today, do not install 4.5 directly. Download the instead. It includes everything from 4.5.2, 4.6, and 4.7, and is actively supported through 2026+. dotnet 4.5 offline installer

However, one common frustration persists: Whether you are deploying software on a secure, air-gapped machine, troubleshooting a corrupted installation, or setting up multiple computers without an internet connection, the offline installer (also known as the standalone or full package) is your best friend. Keep the 4

| Feature | Detail | | :--- | :--- | | | dotNetFx45_Full_x86_x64.exe | | File Size | ~49.2 MB (51,622,024 bytes) | | Supported OS | Windows 7 SP1, Windows 8, Windows Server 2008 R2 SP1, Windows Server 2012 | | Architecture | x86 (32-bit) and x64 (64-bit) combined | | Prerequisites | Windows Update KB2919355 (on older Windows 8/7 systems) | However, for 99% of users today, do not install 4

dotNetFx45_Full_x86_x64.exe /quiet /norestart Or for a passive (visible but non-interactive) install: