I removed the clutch from my GTD and there is a bit of oil there

I have bought a new seal
Victor Reinz 81-23708-40
Engine Code: SB
Fitting Position: Transmission side
Inner Diameter: 85 mm
Outer Diameter: 105 mm,
Width: 11 mm, 9 mm,
Radial Shaft Seal Design: A SL,
Swirl Type: Left-hand Twist,
Material: FPM (Fluor-Rubber/Viton
how do I remove the old one and more importantly fit the new one without damaging it?