Windows 10: Changing C:/ to D:/

Hi I have a computer that has a C drive and a D drive. My C drive is much smaller than my D drive and is nearly full. Therefore I want to change the default location of programs, documents, images, downloads etc to D drive. how do I do this? see attached

:)

 

change from C to D

How to change the installation path from Disk C to Disk D?

 

Overclocking / Undervolting guide for Vega 56 or 64?

Here's a quick laundry list:

List of software to use for overclocking and testing
Examples:
Wattman (and how to find and use it, like an overview, including profiles)
Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

Step-by step overclocking in Wattman
Fan speeds
Power limit
Temp limit
Voltages
Core speeds
Memory speeds

 

Change "D" drive to "C" drive.

How do I copy all files on my "C" drive onto my current "D" drive (including bootup files and Windows 10), then change my "D" drive to "C" drive and my my old "C" drive to "D" drive?