No, you do not defrag an SSD - ever!!
The easiest way to transfer everything would be to "image" your OS drive (C:) using one of the many backup programmes available.
Hands-on: Acer Predator Triton 700 review
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
How to lose weight with an Apple Watch
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.