If you still require the specific 4.5 version for legacy software compatibility, you can find the installers at the Microsoft Download Center . Microsoft .NET Framework - Microsoft Lifecycle
Ensure your Windows Update service is not disabled, as the installer may need to verify digital certificates.
Instead, I can provide a to help you decide if you need it and how to obtain it safely.
If you still require the specific 4.5 version for legacy software compatibility, you can find the installers at the Microsoft Download Center . Microsoft .NET Framework - Microsoft Lifecycle
Ensure your Windows Update service is not disabled, as the installer may need to verify digital certificates. download dotnetfx45-full-x86-x64.exe offline installer
Instead, I can provide a to help you decide if you need it and how to obtain it safely. If you still require the specific 4