RoXplorer99 V3 is a program that allows you to view Roblox's Instances in a tree-like fashion.
This is an image of RoXplorer99 V3:
RoXplorer99 V3 comes with RoPatcher99 which can be accessed through the options menu.
After that, run RoXplorer99. RoXplorer99 will detect the Roblox process.
If RoXplorer99 does not detect the Roblox process, you can right click the root item in the tree view and click "Refresh".
You can also refresh via the options menu.
Once your Roblox process appeared in the tree view, you can right click it and click select.
This will select your Roblox process allowing you to generate the tree and use RoPatcher99 on that process.
To generate the tree, right click the Roblox process in the tree view and click "Expand".
As Roblox instances tend to change over time, you can refresh the entire tree by right clicking the selected Roblox process in the tree view and click "Refresh".
You can also refresh a specific Roblox instance by right-clicking the instance and click "Refresh".
You can type "cmds" in the RoPatcher99 command window to list all the available commands.