The installation process for TOM can sometimes be confusing, so please look below for your operating system for more on how to get things working!

Windows

To install TOM on Windows, you’ll need a 64-bit version of Windows 10 or newer. If you’re not sure which version of Windows you’re running, here’s Microsoft’s guide on figuring that out. If you are running Windows on S Mode, you’ll need to switch out of S Mode to install and run TOM.

In some very rare circumstances, TOM may not start directly. You may need to navigate to C:\Users\YourUserNameHere\AppData\Local\Tournament Operations Manager\app and use the following command:
java -cp tom-1.70.0-SNAPSHOT.jar;barbecue-1.5-beta1.jar;jgoodies-common-1.8.1.jar;jgoodies-looks-2.7.0.jar;jhall-2.0.jar;xercesImpl-2.12.2.jar;xml-apis-1.4.01.jar com.tcg.pokemon.op.tom.Main

macOS

To install TOM on macOS, you’ll need macOS 11 or newer. If you’re not sure which version of macOS you’re running, here’s Apple’s guide on figuring that out.

Some Mac installs seem to have issues with the profile XML files if upgrading from a previous version – if you are having issues, remove all XML files within TOM_DATA\data\profiles and create a blank profiles.xml file. You’ll have to recreate any TO profiles, but it should work.

Other (Chrome OS, Android, iOS, etc.)

TOM is not supported on any operating systems other than Windows and macOS. While some Tournament Organizers have gotten TOM to work on Linux (notably Ubuntu and Arch Linux), there is no guarantee that TOM will work correctly on any operating systems other than Windows and macOS.