3-D carv with x-carve?

when I about to save the tool path with different tools
the program answer that my g-code doesn’t support
changing tools

An XCarve does not have an automated tool changer. Therefore, you must save a separate file for each toolpath (https://www.youtube.com/watch?v=QlbFU0YS1EI), and manually change your bit between each program.

Here’s a recipe I wrote for changing tools.