Normally there is no CRM Developer Toolkit installation file for Visual Studio 2013. But you can install it with some customization.

• Firstly Download the installation files.
• Open Visual Studio folder and Run Microsoft.CrmDeveloperTools.vsix file
• 
• Run the crmSDKFix.reg file
• Copy contents of the CRM MSBuild folder to “C:\Program Files\MSBuild\Microsoft\CRM” or “C:\Program Files (x86)\MSBuild\Microsoft\CRM”
• If there is no CRM folder in MSBuild folder, you can create this CRM folder.
• Now open Visual Studio and you can create CRM Toolkit Project.
  

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If you cannot find CRM Explorer in the Tools menu, you can fix the issue like that.

• Close the Visual Studio Project
• Open the Project’s Solution file (.sln) in a text edior
• Find the Global section and insert the following code at the beginning of the section.

• Save the file and open your project again.
• Now you can find the CRM Explorer in the Tools Menu or Connect to Dynamics CRM Server dialog will show up automatically.

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