1. Download the latest release.
2. Unzip the downloaded release, and change the name of the folder to setforumwidth.
3. In the ext directory of your phpBB board, create a new directory named dmzx (if it does not already exist).
4. Copy the setforumwidth folder to /ext/dmzx/ (if done correctly, you'll have the main extension class at (your forum root)/ext/dmzx/setforumwidth/composer.json).
5. Navigate in the ACP to Customise -> Manage extensions.
6. Look for Set forum width under the Disabled Extensions list, and click its Enable link.

1. Navigate in the ACP to Customise -> Extension Management -> Extensions.
2. Look for Set forum width under the Enabled Extensions list, and click its Disable link.
3. To permanently uninstall, click Delete Data and then delete the /ext/dmzx/setforumwidth folder.

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