Freeze up to 10 beginning rows and columns to keep them visible while scrolling in worksheet
If a column header is highlighted and freeze pane is used, Origin will freeze all columns to the left of it
If a row header is highlighted and freeze pane is used, Origin will freeze all rows above it.
If a cell is selected and freeze pane is used, Origin will freeze all rows above it and columns to the left of it
Ways to freeze/unfreeze
Hotkey Ctrl+Shift+F to freeze/unfreeze
Mini toolbar when clicking column, row or cell to freeze
View: Unfreeze/Freeze Panes menu to freeze/unfreeze
Mini toolbar when clicking in upper-left corner of worksheet to unfreeze