使用方法：
1. 点击Help，选择Register。打开注册页面。
2. 选择License server, 在License server address 中输入：https://jetlicense.nss.im/ 。
或，选择Activation code，复制下方激活码到输入框。

K03CHKJCFT-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-IJBDUuZMqhMJZfuM8Pgz1WXDRP3k9sKMJXuGdnbwoYDN4Y2G5Xmpw05GZUeESnh2/wzVxTHF4+PQ5ewk+J66F15b50VHSNxFI9XKWatoDfBc9EA1CddWqAU5CaipdMkSHoUDbT69PPGU4Vsfo1HTFv50tQ7RFVYMDbmVhw6mUbTFMvGiu5CZTuEVkmJ+1KpfuyQZvXjS1hXhfbK/xmpMG2/xRmK9lxW9PafZU1dWxqjYU8QBlUYgjdDsDS2apSTE+xFF6y3ZKK/YThpC7IYt5HR5Cc3VGjdb/H7jEAkH2/Uz0PrixPc3Bk5tU01rhxI4Z5VbmmWzGAhWWBtQEqU17A==-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