You’ll have to extract it into your Banished game folder, making sure to preserve the directory structure of the archive. Otherwise download the new version from where you originally bought it. You can download the non-steam patch to update to 1.0.7 build 170910 here from 1.0.6.

Inside the archive you'll find instructions in the readme.html file on how to use the mod kit. You can download the latest version of the mod kit here. The mod kit is currently version 1.0.7 Build 170910.

If you'd like to use Steam Workshop, be sure to purchase the Steam version, or buy it from Shining Rock Software and use the included steam key to add the game to your Steam library. To get started you'll need to have purchased a copy of the game from Shining Rock Software, Steam, or gog.com. If you're interested modding Banished to add new things or change the game, read on! You can add new buildings, professions, crops, animals, resources, tweak the game balancing, and more. If you just want to download mods and use them in game, you can view them on Steam Workshop (requires the steam version of the game) or download them from places like Banished Info.

Symbols from banished the game