The safest place to get the installer is directly from the Microsoft Download Center . Look for the file named dotnetfx45_full_x86_x64.exe .

How to Download and Install the .NET Framework 4.5 Offline Installer ( dotnetfx45-full-x86-x64.exe )

is the executable file name for the Microsoft .NET Framework 4.5 standalone installer.

Even the offline installer can encounter issues. Below are the most frequent errors and their fixes.

| Update | KB Number | Purpose | |--------|-----------|---------| | .NET 4.5.1 | KB2858725 | Feature update | | .NET 4.5.2 | KB2901982 | Security & reliability | | Latest cumulative | KB4603005 (for 4.5.2) | Rollup |

Here is everything you need to know about finding and installing dotnetfx45-full-x86-x64.exe . What is the Offline Installer?