Run out of gift codes for Minecraft for Windows 10

Error! It looks like we've temporarily run out of gift codes for Minecraft for Windows 10. Don't worry though, more codes should be on their way. Please check back later!
 
When I try to redeem my free copy of the code, the system, tell me that, I want to play Minecraft windows 10 edition because I bought Minecraft java edition 6 years ago, pls I need help, send me a code