i’d start with a proper 4-line kite. 2-liners are ok, but you have less control.
with a 4-line kite you can hold the kite by applying the ‘brake’ lines. this means you can also stake it down relatively safely when it’s not in use and you can right it after a crash (takes a little practice).
look at the HQ Beamer kites. as said above, they are predictable and not punchy – that is they fly slow and do not jump so hard when they hit the ‘power zone’ (you will learn all of this later). i’ve got one which i learnt on and still gives to friends who want to give it a go.
do not look at any lifty kites such as Flexifoil Blade. you will do yourself an injury.
i would recommend that you get some ‘kite killers’ from Flexifoil. these are a safety device which attach to the brake lines and your wrists. they’ll stop the kite disappearing over fields or taking out a family picnic in te event that you cock it up.
also look at helmets. you might feel like a pleb standing there in the middle of a field flying a kite whilst wearing a helmet, but you can easily be caught off-guard and thrown to the floor with force. a pisspot will do.
find somewhere free of trees, buildings, pylons or rugby posts. you’ll want a large field that doesn’t suffer from turbulence. a beach is the best bet, but make sure it is an on-shore wind.
@ saladdodger…. many moons ago i found a site Racekites.com to be helpful. don’t know what it is like now.