Because you didn't change the default settings. When you install programs you can choose a drive. If you simply clicked next next next then they installed to your C drive.why all files going there and not on D Drive?
Because things install to the OS drive by default unless you manually change them. The first reply to your post included a link to a tutorial on changing the location of these directories.WHY EVERYTHING ON MY LAPTOP STORED ON MUCH SMALLER WINDOWS
The C drive is your Windows drive, so by default everything is stored there. It doesn't know what the D drive is, it's not going to assume anything, if you have two drives you need to manually tell Windows to use it as the default storage.Obviously people did not understand my question. Let's make it simple: WHY EVERYTHING ON MY LAPTOP STORED ON MUCH SMALLER WINDOWS (C DRIVE WHO IS 117 GB AND NOT ON DATA (D DRIVE WHO IS 1 TB. HOW CAN I MAKE D: DRIVE DEFAULT INSTEAD OF C: DRIVE (WINDOWS)?