I highly recommend trying this plugin and you currently can get three months free by going through http://www.modern.ie/en-us/virtualization-tools
I did run in to some issues with the java applet on my work machine with IE8 but was able to work in Chrome.
This URL might help you.
I actually added those lines in the <Installation> section and it worked well in VS 2013 RC:
<InstallationTarget Version="12.0" Id="Microsoft.VisualStudio.Pro" />
<InstallationTarget Version="12.0" Id="Microsoft.VisualStudio.Premium" />
<InstallationTarget Version="12.0" Id="Microsoft.VisualStudio.Ultimate" />
I've installed web tools 2012.2. Then I went to www.browserstack.com and downloaded the extension. However, it told me I miss the reference "Visual Studio MPF".
I found a post said that "Express editions not supported."
Something else to installed for BrowserStack?
Windows 7 sp1 64bit
VS express 2012 for web
Please ensure you have Microsoft ASP.NET and Web Tools 2012.2 installed for Visual Studio 2012 - http://www.microsoft.com/en-us/download/details.aspx?id=36053
Once installed, the BrowserStack extension will show up in the Browse With menu after installing ASP.NET and Web Tools 2012.2. Please let us know if this works for you. Thanks and have a good day.
The BrowserStack Team