On this page, you can find several installation guides for the installation of MCreator.
How to install MCreator above 1.6.3
Other installation guides
If you would like to see installation instructions for older releases, check the MCreator's wiki for instructions specific per MCreator's version.
Make sure to install MCreator on a location whose path does not contain any non-English characters such as German letters. It is also recommended to install MCreator in a path without white spaces.
If you are asked for a firewall permission, allow MCreator to access all networks, otherwise, it won't be able to download required dependencies and you will not be able to use MCreator.