How to share wifi from laptop to htc desire 2.2 non-rooted?

Little do not understand why we need Ruth on Desire for the procedure?
Here the main question is how to share the Internet on the laptop so that it saw Desire! See the net — get access to updates via FOTA.
Or something I do not understand...

If the essence of the question only the firmware update here the firmware in exe file.
Login and password: shipped

As for me, it's better to buy a router... If you have enough money for good "Sonya" and enough Desire, that 45$ for Dlink (or better 55-60 on Cisco) and no problems...

Try www.connectify.me/

and what "idls Internet" ??

Quite simply, Desire as any other phone from HTC capable of prosyatsya from the SD card.
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— It is sufficient to find the zip file with the update, rename it to update.zip and put it in the root of the SD card.
— Turn off phone, then hold Power+Volume Down phone will boot into bootloader HBOOT.
— From the menu choose recovery, you will see a triangle with an exclamation point.
— Hold down the Power button + Volume Up, a menu will appear.
— In recovery menu select Update from update.zip
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All, the phone is officially flashed the official firmware.