Computer memory loss only has 14 gb left

[Guest]

Hello,
My computer was in total had like 400 gb and now only has 14 gb in all!! what happened? It still works fine its just i only have alttle memmory left so it can only hold the defualt stuff on my computer plz help!

 

[gtvr]

download windirstat - great tool for showing you visibly where your disk space is, and what type of files:

http://windirstat.info/