Ant

.zip - Recommended compression format for Windows, can also be used on other platforms. Supported by many programs and some operating systems natively.

.tar.gz - Uses the tar program to gather files together, and gzip to compress and uncompress.

.tar.bz2 - Uses the tar program to gather files together, and bzip2 to compress and uncompress.. Choose the format that is best supported for your platform.

After you choose the latest version for zip package.
When you totally download Ant file then Unzipped or extract your zip package.
After All to set the ANT_HOME.

Right click to My Computer icon

Choose Properties

Choose Advanced Tab

Choose Environment Variable Button

In the System Variables, click New Button

Give the Variable Name: ANT_HOME

Give the Value :C:\Ant

Click OK

Then,add new ANT_HOME path.

When your total work is over then find the Path in the Variable Column in System variables frame

Then if you are find the Path in System variable frame after that click Edit Button
Then add the following text in the bottom of Variable value: %ANT_HOME%\bin;
Click OK to finish.