XrmToolbox Introduction :

We’ll look at how to quickly install several XrmToolbox tools at once in this post. We’ll also examine the color coding used by XrmToolbox to identify each line in the tools library.

Updates are available for your tools may be displayed when you log into XrmToolbox:

XrmToolbox

On the right, there is a link to the Open Tool Library. By choosing this, the tool library appears as shown below, but all tools are displayed in alphabetical order:

Scrolling to the right, we see the Action column:

If we click to sort by Action, we can see XrmtoolBox color codes each line based on the action available:

Red = Incompatible
Black = Install (i.e. currently not installed in your environment)
Grey = N/A (installed but no updates)
Blue = Update

To update all the tools that require an update, simply select all of the blue ones and click install: