The vast majority of sites offering "free activation codes" or "keygens" (key generators) are fronts for cybercriminals. The files you download from these sites are rarely actual software patches; instead, they are often bundled with:

You can purchase a genuine activation code directly from the official Mipony website . Price (USD)

So, when you search for a "new" code, you are looking for an algorithm-generated string that hasn't been blacklisted yet.