Ubuntu Kylin 19.10 was released on October 17, 2019. After the team terminates technical support, users will not be able to continue to receive official updates.
The team recommends that users of Ubuntu Kylin 19.10 upgrade to Ubuntu Kylin 20.04 LTS, which is backed by official technical support for up to 5 years until 2025.
The Ubuntu Kylin 20.04 LTS version comes with the Linux 5.4 kernel by default and the new UKUI 3.0 desktop environment preview version. It supports both x86 and ARM64 architectures.
b) Enter the download directory and double click to install the above key pack c) Open the "Software Updater" and click "Install Now."