Well you can choose A) go to a bike shop , have them do it.. .. advantage if you will not use that one again ..
adopting new cartridge types , use a different tool ..
Or B ) buy the old school tools that were common when that was the BB type in common use..
[I'm Old I have some from BITD ]
Not sure why so many want others to use the web, to do the search for them after they find this forum