Crystal Reports for Visual Studio 2010 will be released separately, instead of included with the product.
Follow this link to download Crystal report for Visual Studio 2010, http://www.businessobjects.com/jump/xi/crvs2010/us2_default.asp
Click this highlighted link, download and install.
After finishing the installation you will not see any tool in the tool box. Then go to the “Project Properties” (if you have open new project in C#.net or VB.net) and find the Target Framework, you would see it as .Net Framework 4 Client Profile change this to be .NET Framework 4
Change as .NET Framework 4
When you change to .NET Framework 4 confirm it by click Yes
Now you can see Crystal Report Viewer in Tool Box.