In WPS Spreadsheet, you can indeed freeze the Slicer to prevent it from disappearing when scrolling down. Here's how you can do it:
1. Select the cell or cells that you want to freeze the Slicer next to.
2. Go to the "View" tab in the ribbon at the top.
3. In the "Window" group, click on the "Freeze Panes" dropdown button.
4. From the options, select "Freeze Panes".
By doing this, you will freeze the panes to the left of the selected cell(s), which will include the Slicer.
Now, when you scroll down, the frozen panes, including the Slicer, will remain visible on the screen, while the rest of the worksheet will scroll.
Note: The Slicer can only be frozen if it is placed next to the cells you want to freeze. If the Slicer is not next...