Here are all the controls for Fate/EXTELLA LINK on PC, enjoy.
Forward – W
Backward – S
Left – A
Right – D
Code Cast – 1, 2, 3, 4
Light Attack – Left Mouse Button
Heavy Attack – Right Mouse Button
Camera Lock -on – Mouse Wheel
Jump – Space
Moon Drive/Drive Skill – G
Guard – C
Active Skill Menu – Left Ctrl
Dash – Left Shift
Active Skill Up – Q
Active Skill Down – R
Active Skill Left – F
Actibve Skill Right – E
Command Seal – V
Pause Menu – TAB
Camera Controls – Num 2, 4, 6, 8