If you do not already have a code, you can obtain one through the following official channels:
To register , the process depends on the version you are using. Older versions relied on local key files, while modern versions use internet-based activation. Registration Steps by Version MixW 4 & MixW 3 Mixw Registration Code
You can verify if your callsign is already registered by using the MixW Check Registration page. Common Registration Issues If you do not already have a code,