- Nov 20, 2011
- 1,803
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When Windows 8 informed me that a favorite older app I was installing couldn't be installed because it needed .NET 3.5, and that it would gladly download it via Windows Update and install it for me, I cancelled. Patches and updates <10MB being installed via Windows Update are one thing, but I want offline control over a 231 MB installation. However, the .NET Framework 3.5 Service Pack 1 (dotnetfx35.exe) standalone installer can't be installed on Windows 8.
Unlike Windows 7, .NET 3.5 can only be installed online or from the Windows 8 installation DVD or ISO. I went with the mounted ISO, but the procedure is identical for DVD. An elevated command prompt and the Deployment Image Servicing and Management (DISM) tool, for servicing online and offline .wim files, is all that's needed.
Mount the ISO or load the DVD, then open an elevated command prompt and copy/paste the following command (be sure you first replace drive letter X: (below) with your actual path):
.
Unlike Windows 7, .NET 3.5 can only be installed online or from the Windows 8 installation DVD or ISO. I went with the mounted ISO, but the procedure is identical for DVD. An elevated command prompt and the Deployment Image Servicing and Management (DISM) tool, for servicing online and offline .wim files, is all that's needed.
Mount the ISO or load the DVD, then open an elevated command prompt and copy/paste the following command (be sure you first replace drive letter X: (below) with your actual path):
Since .NET Framework 4.5 runs natively on Windows 8, the installation of .NET Framework 3.5 (which also installs .NET Framework 2.0, and 3.0) will allow you to seamlessly run both the latest apps, and all your older .NET dependent apps.
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