Windows 10: I can't use 1.7 TB of storage

Hello, I recently bought an 2.0 NVME 4 TB KingSton m.2 SSD and I reinstalled my windows on it, but ever since I installed it I can only use 2TB of space out of the 4 3.7 total. With the other 1.7 TB I can't do anything, I can't make a new volume or extend the windows installed drive.Here are some pictures to help understand more about my issue: https://ibb.co/Y8BMPDq , https://ibb.co/HtfZWsW , https://ibb.co/NVPpmr9 both buttons are grayed out

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Windows 100 gb and 1 TB storage transfer.

I need help. My pc storage is full, and I have a 1 TB local disk. I can't figure out how to transfer the items from the pc storage to the disk storage. How do I free up the space without deleting anything?

 

How do I get Windows 7 to install on a full 3 TB HDD?

Thanks everyone, much appreciated. Giving this a shot now. I already try converting to GPT once already and it worked, but still only showed 2 TB, however, the steps listed your link Newteki have a few added steps I did not do. Also, I decided to go with Windows 8 Pro since Windows 7 was giving me so much trouble with this issue, yet it still gave me the same problems of only showing 2 TB then a separate 700ish GB drive.

Here goes nothing, thanks all, will be reporting back soon, hozzah!

 

How do I get Windows 7 to install on a full 3 TB HDD?

You may could divide into two partitions 1.5GB a piece and that would be easier.