ICO ends on May, 31. After the ICO is over tokens can be withdrawn from the ICO platform
We want and we need windows wallet and you must be ready with the wallets working normally before the launch and before getting this to exchange sites
We are warmly welcoming all members from other projects, however we have no idea about what "windows" or "mac" wallets you are talking about

Please catch up about Waves from the start
https://blog.wavesplatform.com/latest