⛔️ PROBLEM
You receive below error message when running any one of the setup - Microsoft SharePoint Foundation 2013 with Service Pack 1 / SharePoint Server 2013 with Service Pack 1 / Project Server 2013 with Service Pack 1.
The Server/computer has Microsoft .NET Framework 4.6, 4.6.1, or 4.6.2 installed.
Setup is unable to proceed due to the following error(s): This product requires Microsoft .Net Framework 4.5.

⛔️ REASON
The error occurs because the SharePoint 2013 Setup and Project Server 2013 setup programs cannot recognize the .NET Framework 4.6, 4.6.1, or 4.6.2 as a supported version of the .NET Framework.
You can fix this problem by extracting the installation files to a writable location or manually installing the .Net versions.
✔️ How to fix Setup error if .NET Framework 4.6 is installed ?
- Extract the installation media to a writable location.
- Extract the .exe files and folders from the executable file to a writable location on your server/computer by running following command.
- If the installation media is an ISO or IMG disc image (.iso or .img), mount the disc image, and then copy the files and folders from the disc image to a writable location.
- Download the compressed .zip file that contains the fix that matches the installation product: SharePoint Foundation 2013 with Service Pack 1 fix
- Open the zip file and copy the appropriate setup support file from the .zip file into the "updates" folder in the writable location. SharePoint Foundation 2013 with Service Pack 1: wsssetup.dll
- Run Setup.exe from the writable location and start SharePoint/Project Server setup. Setup will use the support file that contains the fix that you've copied into the "updates" folder.
sharepoint.exe /extract:C:\SharePointInstaller\Setup
here,sharepoint.exe = executable setup file
C:\SharePointInstaller\Setup = path to extract files
SharePoint Server 2013 with Service Pack 1 fix
Project Server 2013 with Service Pack 1 fix
SharePoint Server 2013 with Service Pack 1: svrsetup.dll
Project Server 2013 with Service Pack 1: svrsetup.dll
⛏️ Workaround if fix does not work
- Do not install .NET Framework 4.6, 4.6.1, or 4.6.2 before the SharePoint Setup.
- Uninstall the .NET Framework 4.6, 4.6.1, or 4.6.2 if already installed.
- Restart the computer.
- Install the web installer for the .NET Framework 4.5.2.
- Run the SharePoint setup.
- Once SharePoint/Project Server is installed successfully, upgrade the .NET Framework from 4.5.2 to the .NET Framework 4.6, 4.6.1, or 4.6.2.
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