If you're having the java.exe not found problem while installing android-sdk ( failed to find java version for 'C:\windows\system32\java.exe' : The system cannot find the specified file ." , you might want to check out the following steps. Firstly you must install JDK to your windows and it's a must as the android-sdk depends on the JDK. http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1637583.html Now download and install the android sdk from the location below. http://developer.android.com/sdk/index.html If you've installed JDK, you may still facing the same problem as java installation path might not already exist in the environment variables. Go to the system settings by right click my computer->properties->advanced system settings->advanced tab->click environmental variable. Finally add JAVA_HOME varible and value as the path of your jdk installation files. Here is where the Android SDK is locate