What Is XrmToolBox, How To Download And To Login Into XrmToolBox

See the below screenshot as per XrmToolBox is having definition.

1. To download XrmToolBox open the below link.
    https://www.xrmtoolbox.com/

2. Click on Download Latest Version.

3. It will download the Zip file. Extract the Zip file and open the XrmToolBox app.

4. Once it's open click on Not Connected from the left side of this window and click on Create New Connection 

5. Now give your environment URL and entered the User Name and Password.

6. Click on Next and give your connection name like Dev, UAT and Production environment connection.

7. Now your connection is ready to use. Please connect to your connection and go to open Tool Library  to install required tools into your XrmToolBox, like Plugin Registration Tool, Data Transporter, FetchXmlQuery Builder etc.

8. Here I want to install Plugin Registration Tool, so I search for it and clicked on install button. See the below screenshot.