To log the installation for debugging:
For security and stability, it is strongly recommended to download the installer directly from Microsoft's official download center. Here are links for the relevant versions: To log the installation for debugging: For security
Better responsiveness for user interfaces. Download Microsoft .NET Framework 4.5 Offline Installer close any open programs
To avoid conflicts, close any open programs, especially Visual Studio, web browsers, and other development tools. especially Visual Studio
If you decide to install .NET Framework 4.8.1 instead, download its official offline installer from Microsoft. Keep in mind that you cannot have two different 4.x versions installed simultaneously; installing 4.8.1 will replace any existing 4.x runtime (including 4.5). This is generally safe for most applications, but older or unmaintained software that explicitly checks for version “4.5.0.0” might behave unexpectedly.