> For the complete documentation index, see [llms.txt](https://zillion.gitbook.io/iredistrict/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zillion.gitbook.io/iredistrict/launch.md).

# Launch iRedistrict

There are two ways to launch iRedistrict®.

## Option 1: Double Click iRedistrict\_POL.jar

![](https://3277503274-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MID4AC0JLzhOjxVzdcB%2F-MI_AyMnEBog0gVu9qqJ%2F-MI_DNPdmf1rP6hxLFm5%2FScreen%20Shot%202020-10-01%20at%201.32.49%20PM.png?alt=media\&token=315ee7be-2d6c-4a0f-89ec-d2b3f5bc4d9d)

## Option 2: Launch iRedistrict from Command Window

Command: java -jar -Xmx2048m iRedistrict\_POL.jar

In the command above, 2048 is the size of the memory allocated for this program. 1024 is 1G memory. 2048 is 2G memory. You can change it to a larger number to allocate more memories if the dataset is large.

By launching iRedistrict from the command window, messages will print in the command window to notify users about the calculation process and the error orrcurs (e.g. memory leak, exceptions, etc.If you launch the software by double click, you cannot see these messages.<br>