: Ideal for IT admins who need to install the framework on multiple computers across a network without multiple large downloads.
2026 Supported OS: Windows 7 SP1, 8, 8.1, Server 2008 R2 SP1, Server 2012 (Not recommended for Windows 10/11 beyond registry compatibility) Official source: Microsoft Download Center (ID 30653) microsoft net framework 4.5 offline installer
Grant administrative permission when the User Account Control (UAC) prompt appears. : Ideal for IT admins who need to
Microsoft typically offers two types of installers: Web and Offline. While the web installer is smaller, the is often the better choice for several reasons: Server 2008 R2 SP1
Keep a copy on your trusted USB drive, along with this guide, and you will never be left struggling with a broken dependency or a failed web download again.