Location of Downloaded Asset Files

You will rarely, if ever, need to access the files downloaded from the Asset Store directly. However, if you do need to, you can find them in

~/Library/Unity/Asset Store

…on the Mac and in

  C:\Users\accountName\AppData\Roaming\Unity\Asset Store

…on Windows. These folders contain subfolders that correspond to particular Asset Store vendors - the actual asset files are contained in the appropriate subfolders.