Please download the installer from the above-mentioned location to your desktop.
Ensure that your computer has administration privileges
Double click on the installer and install to your computer.
Run the game after installing (the short-cut will be in start-menu > programs)
More detailed (visual) instructions can be found here
Firstly, ensure you have plugged in a standard computer mouse to help control head movement.
To gain control, simply click your left mouse button (maybe a couple of times).
The keys to move around are the W A S D keys, and the mouse controls your virtual character's head.
If you want to see the cursor on the screen, right mouse button shows and hides the cursor.
To close the app, press the tild "~" key to bring up the console and type "quit" and press return.
move without gravity, press the tild "~" key to bring up the console
and type "fly" and press return. Pressing tild again will close the
To return to
moving with gravity, press the tild "~" key to bring up the console and
type "walk" and press return. Pressing tild again will close the
Please use the standard windows uninstall programs dialogue in your computer's control panel.