hdd and ssd

I bought a SSD (1TB) and want to get my OS to my SSD and some other stuff too example games to get a faster loading speed. I found out how i can only clone the Windows to the SSD by AOMEI Backupper Standard. But how do I choice what i want to get cloned to the SSD. My HDD is 1TB and around 30GB...

Specs: OS: Windows 10 Home, 64-bit CPU: Intel core i3-8350k 4GHz Motherboard: ASUS TUF Z370-Plus Gaming BIOS: American Megatrends 0610, 1/11/2018 GPU: Nvidia GeForce GTX 1060 3GB RAM: 4x4GB Crucial DDR4-2400 UDIMM (Model: CT4G4DFS824A) New OS hard drive (SSHD): Seagate FireCuda 2TB SSHD...

SO I just built a new PC and everything's been going great so far, except when I went to file explorer I noticed my 2 TB Seagate HDD wasn't shown, just my SSD. No big deal, I open disc manager and didn't see it the HDD. So I looked online for tutorials on how to fix it but to no avail. I've...