you don't need to install it right away in your hard drive baka kasi hindi mo siya magustuhan at magkakaroon ka lang ng problema to take it off. kasi kailangan mo siyang ireformat kasama ang windows. ang wubi naman is convenient pero unstable most of the time it crashes. the best way is to install the linux of your choice in a flash drive and use a computer na pwedeng magbooth from usb
download mo yung iso file get a 4gig na flashdrive and install mo
pwede mong gamiting ito
UNetbootin
to create a bootable flash drive
or kung mayroon kang alam na nakainstall na ubuntu you can use the usb start up creator to create a perpertual flash drive meaning pwede kang magsave ng files mo sa flash drive while you are using it as a booth drive