And. However cheap, if his task is to install "Flash" then you are about to get ripped off.
Nothing left unsaid to you, regarding 32Bit browsers, except that, it is apparent your knowledge of the inner workings of an OS are basic so, I would assume you have done very little customisation and should therefore be running a 32Bit browser bt default.
If you are running Adobe Photoshop, I am almost certain that you OS has already installed Flash.
Otherwise, save yourself some cash.
Go here:
http://get.adobe.com/flashplayer/
Untick the Mcafee option and then tick "Agree and install now"
There will be a small wait whilst it downloads and installs, and you are then in business.