I've downloaded windows 10, and I downloaded vs2013 but this error occurs when I want to compile the source ..
Error 1 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterLocale
Error 2 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 CWebBrowser
Error 3 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EffectLib
Error 4 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterBase
Error 5 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 GameLib
Error 6 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 MilesLib
Error 7 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterLib
Error 8 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 PRTerrainLib
Error 9 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterGrnLib
Error 10 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 ScriptLib
Error 11 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 SphereLib
Error 12 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 SpeedTreeLib
Error 13 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterImageLib
Error 14 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterPythonLib
Error 15 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 EterPack
Error 16 error MSB8020: The build tools for v140_xp (Platform Toolset = 'v140_xp') cannot be found. To build using the v140_xp build tools, please install v140_xp build tools. Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...". C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets 64 5 UserInterface