Adata 64gb SSD showing 66% usage after clean install

[Di Kr]

I just installed Windows 7 on a brand new Adata XPG SX900 64GB.
After fresh install windows shows over 38GB of the space is used and only 20GB free.

I don't know why this is.
Help.


AMD FX-8350
GA-990FXA-UD3
Mushkin 2x8gb DDR3
Adata XPG SX900 64GB
Windows 7 Pro 64

 

[cin19]

You need tweak the SSD and check the link. http://thessdreview.com/ssd-guides/optimization-guides/the-ssd-optimization-guide-2/

Disabling System Restore, turn off hibernation, etc.

 

[Leenoody]

You need to free up you drive as below:
http://www.wikihow.com/Free-up-Hard-Disk-Space-on-Windows-Vista