**Homebrew** refers to software that was not authorized by the original creator of a piece of hardware - in this case, Nintendo. In order to gain the ability to run homebrew on the Wii, the console must first be modified to run unsigned code.
+ Homebrew is 100% free, and the process of modifying your Wii is also free. Anyone trying to convince you otherwise is likely attempting to [scam you](https://hbc.hackmii.com/scam).
+ This guide works on all system menu versions depending on the exploit, but **it is recommended that you update to 4.3 (the latest firmware)** if possible.
+ **This guide applies to retail/consumer Wiis ONLY!** This means that development units are not covered, nor is the Wii U's vWii.
+ Depending on what you intend to do with your modded Wii, you may have to make some modifications to the system memory that have a risk of bricking (rendering the console inoperable). As long as you follow this guide exactly, you should be fine, but for general brick prevention tips see [this](bricks#brick-prevention) page.
+ The differences between the Wii and Wii mini are quite significant. This means that in some cases, something that is normally harmless to the Wii could cause a [severe brick](bricks#wi-fi-brick) to the Wii mini. Tread carefully if you are planning to mod one!
+ Be extremely careful when modifying a [Korean Wii](bricks#korean-kiierror-003-brick).