Where is the land in Falkreath Hold in skyrim hearthfire

Skyrim puts its saves in the following directory in Windows Vista & Windows 7 and Windows 8:

C:\Users\[UserName]\Documents\My Games\Skyrim\Saves

Note that on Windows 8, the saves folder could be hidden, so you'll have to show the hidden files to be able to see it.

Skyrim puts saves in the following directory in Windows XP:

C:\Documents and Settings[UserName]\My Documents\My Games\Skyrim\Saves

These files are not dependent on anything so you can freely share them across computers, delete, copy, backup, or anything else.

You can only buy it from the illusion trainer in the College of Winterhold, but he won't sell it until your illusion is of sufficient expertise (i.e. expert level).