Use the Registry Editor at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full to see if it’s already present.

✅ or a trusted repository like Microsoft Update Catalog. Avoid third-party “DLL download” sites.

The is a standalone distribution package that contains all the components required to install the .NET Framework 4.5 runtime without an active internet connection.

For system administrators, the offline installer supports powerful silent switches:

Microsoft Net Framework 4.5 Offline Installer

Use the Registry Editor at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full to see if it’s already present.

✅ or a trusted repository like Microsoft Update Catalog. Avoid third-party “DLL download” sites. microsoft net framework 4.5 offline installer

The is a standalone distribution package that contains all the components required to install the .NET Framework 4.5 runtime without an active internet connection. microsoft net framework 4.5 offline installer

For system administrators, the offline installer supports powerful silent switches: microsoft net framework 4.5 offline installer