how to delete SK License file by Zhou.zhengwei | Dec 28, 2020 | 常见问题 如果出现了 Your License(s) is not eligible for this upgrade. Please upgrade. 这个提示,如果下图所示。 那么请删除SK开头的License文件,即可解决此问题。点击View License Folder,打开文件夹,再删除SK开头的文件。