HOW TO GET WINDOW-MODE:
1. Getting the right Conf-File

# When run with Wasteland, this file gets copied to:
# %localappdata%\inXile entertainment\Wasteland\wl.conf (WINDOWS 7/8)
# C:\Local Settings\%USER%\Local Settings\Application Data\inXile entertainment\Wasteland\wl.conf (Windows XP/Vista)
# ~/Library/Application Support/Wasteland/wl.conf (OSX)
# ~/.wasteland/wl.conf (Linux)

2. Edit wl.conf to get window-mode
fullscreen=false
fulldouble=true
fullresolution=1280x720
windowresolution=1024x768
output=opengl
autolock=true
sensitivity=100
waitonerror=true
priority=higher,normal
mapperfile=mapper-0.74.map
usescancodes=true

edit windowresolution to your liking eg. 1920x1080 or so.
autolock=false to free mouse or press CTRL-F10 to unlock

3. (optional) change [render] if it's to blurry
scaler=hq3x to normal2x or so.

Have fun...