Question What drive to store?

Jan 11, 2020
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Hey. I have bought my pc some weeks ago. I stored all my games and stuff on the "Windows" C drive. Now i notice i have a terabyte space in my d drive, and I'm scared i slowed down Windows. Is it really needed to store games etc. in the D drive, or is it alright if it is stored in the C drive? If it's bad, how can i move them?