What's this?

`Shift` + `F1`

All hotkeys for Kate (Windows)

38 Shortcuts for Kate (Windows) Comment selected line	`Control` + `D`
38 Shortcuts for Kate (Windows) Uncomment selected line	`Control` + `Shift` + `D`
38 Shortcuts for Kate (Windows) Move row or selected lines up	`Control` + `Shift` + `Arrow Up`
38 Shortcuts for Kate (Windows) Move row or selected lines down	`Control` + `Shift` + `Arrow Down`
38 Shortcuts for Kate (Windows) Duplicate line up	`Ctrl` + `Alt` + `Arrow Up`
38 Shortcuts for Kate (Windows) Duplicate line down	`Ctrl` + `Alt` + `Arrow Down`
38 Shortcuts for Kate (Windows) Selected line indent right	`Tab`
38 Shortcuts for Kate (Windows) Selected line indent left	`Shift` + `Tab`
38 Shortcuts for Kate (Windows) Delete row	`Ctrl` + `K`
38 Shortcuts for Kate (Windows) Toggle between Insert and Overwrite mode.	`Insert`
38 Shortcuts for Kate (Windows) Move the cursor one character to the left	`Arrow Left`
38 Shortcuts for Kate (Windows) Move the cursor one character to the right	`Arrow Right`
38 Shortcuts for Kate (Windows) Move the cursor up one line	`Arrow Up`
38 Shortcuts for Kate (Windows) Move the cursor down one line	`Arrow Down`
38 Shortcuts for Kate (Windows) Move the cursor up one page	`Page Up`
38 Shortcuts for Kate (Windows) Move the cursor down one page	`Page Down`
38 Shortcuts for Kate (Windows) Delete the character to the left of the cursor	`Backspace`
38 Shortcuts for Kate (Windows) Move the cursor to the beginning of the line	`Home`
38 Shortcuts for Kate (Windows) Move the cursor to the end of the line	`End`
38 Shortcuts for Kate (Windows) Delete the character to the right of the cursor (or any selected text)	`Delete`
38 Shortcuts for Kate (Windows) Insert newline including leading characters of the current line which are not letters or numbers.	`Shift` + `Enter`
38 Shortcuts for Kate (Windows) Mark text one character to the left	`Shift` + `Arrow Left`
38 Shortcuts for Kate (Windows) Mark text one character to the right	`Shift` + `Arrow Right`
38 Shortcuts for Kate (Windows) Help	`F1`
38 Shortcuts for Kate (Windows) What's this?	`Shift` + `F1`
38 Shortcuts for Kate (Windows) Find	`Ctrl` + `F`
38 Shortcuts for Kate (Windows) Find Next	`F3`
38 Shortcuts for Kate (Windows) Set a Bookmark	`Ctrl` + `B`
38 Shortcuts for Kate (Windows) Copy the marked text to the clipboard	`Ctrl` + `C`
38 Shortcuts for Kate (Windows) New document	`Ctrl` + `N`
38 Shortcuts for Kate (Windows) Print	`Ctrl` + `P`
38 Shortcuts for Kate (Windows) Quit - close active copy of editor	`Ctrl` + `Q`
38 Shortcuts for Kate (Windows) Replace	`Ctrl` + `R`
38 Shortcuts for Kate (Windows) Save your file	`Ctrl` + `S`
38 Shortcuts for Kate (Windows) Paste	`Ctrl` + `V`
38 Shortcuts for Kate (Windows) Delete the marked text and copy it to the clipboard	`Ctrl` + `X`
38 Shortcuts for Kate (Windows) Undo	`Ctrl` + `Z`
38 Shortcuts for Kate (Windows) Redo	`Ctrl` + `Shift` + `Z`