You can download the BitGem Desktop Wallet for Windows here
WHY BTG BITGEMS?
It’s PoW scrypt and PoS like NovaCoin, but adapted so you can have some fun with it. There are any number of ways you or a group you are in might make use of BTG gems. Also, mining a block you could to get up to 3 BTGs.
-retargeting each 10 min.
-difficulty adjustement each block,
-semi-scarce: reward 3 BTG BitGems per block, halving X32 diffculty,
-latest upstream updates from litecoin, ppcoin, novacoin incluided,
-simple 4Cs gemstone model implementation,
-GemWallet let to query your balance in gemstones with a lot of settings.