Mercurial is installed on your computer.
The location of the Mercurial executable file hg.exe is correctly specified on the Mercurial page of the Settings/Preferences dialog.
If you followed the standard installation procedure, the default location is /opt/local/bin or /usr/local/bin for Linux and macOS and /Program Files/TortoiseHG for Windows.
It is recommended that you add the path to the Mercurial executable file to the
PATHvariable. In this case, you can specify only the executable name, the full path to the executable location is not required.
Mercurial integration is enabled for the current project root or directory.
If you want to use a remote repository, create a Mercurial hosting account first. You can access the remote repository through a pair of ssh keys or apply the username/password and keyboard interactive authentication methods supported by the Mercurial integration.
When Mercurial integration with IntelliJ IDEA is enabled, theitem appears in the menu, and in the context menus of the editor and Project tool window.
The files in the folders under the Mercurial control are highlighted according to their status. See File status highlights for file status highlighting conventions.
Modifications results are shown in the Commit tool window Alt+0.
When using Mercurial integration, it is helpful to open the Console tab of the Mercurial tool window Alt+9, which displays the following data:
All commands generated based on the settings you specify through the IntelliJ IDEA user interface.
Information messages concerning the results of executing generated Mercurial commands.