Curtain is an office software with rich and diverse functions, which can help users to work better. Many friends only know how to use it for work and do not know how to upgrade the software, so the editor of Source Code Network will teach you below.
First open the "curtain" on the mobile phone desktop.
Then click "Open the * version" in the personal bar panel that pops up.
Finally, click Activate Now at the bottom of the pop-up panel.
