ODIN is a Windows program used on all Samsung devices to install stock firmwares and custom recoveries. This is compatible for all Samsung smartphones and tablets including Note 3, Note 3, Galaxy S3/S4/S5, and many more.
You can download the ODIN v3.09 here, this program is virus/spyware free.
Download:
For Mac or Windows, you can use open-source tool JODIN instead along with Java.
ODIN v3.09 Mantap