You can buy it if you want but it will cost you about $700. A full
Creative Cloud subscription will be $50/month and will give you
EVERYTHING. I you really only want InDesign it will be $20/month and
will provide you with access to InDesign CS6, InDesign CC and Bridge.
You can sign up for CC at creative.adobe.com. If you would rather spend
$700 on a version that won't be updated with new features, you can do so
Search for InDesign CS6.
You are ineligible for any intro or upgrade pricing so be careful with