If you want to upgrade from version 20.9 to version 23, you need the "System Upgrade Tool" app.
It can be downloaded and installed through the app store, or you can download and install it by executing this command: sudo apt install deepin-system-upgrade
deepin fast, reinstall your operating system
deepin i have another doubt!
can I update to v23 in future?
after its stable release?
right now i am in 20.9
deepin i have another doubt!
can I update to v23 in future?
after its stable release?
right now i am in 20.9
At the time deepin 23 is still in beta. You will be able to migrate from 20.9 to 23 after it releases. Keep in mind that it's fairly dangerous, so make sure to create backup
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How to create shortcut like in Windows? 
How can I upgrade deepin 20.9 to beta 23?
Preferably from the system without booting an ISO.