Yes, you can upgrade from 32-bit Windows 7 to 64-bit Windows 10.
Yes, you can upgrade from 32-bit Windows 7 to 64-bit Windows 10.
When the update is released on the 29th, use the tool to upgrade to Windows 10, obtaining the 32-bit version. After that, wait for the 64-bit ISO to become available. Download it along with a key extractor. Insert the ISO onto an empty USB drive. Run the key extractor to retrieve your updated Windows key and note it somewhere. Power off your computer. Press the designated key on your motherboard to access the boot menu. Choose to boot from the USB drive. Proceed through the standard Windows installation steps, entering the product key you recorded. Upgrading to a 64-bit OS will erase all existing files on your drives, so back them up beforehand.
For Windows 7 or Windows 8 32-bit users, transitioning to Windows 10 32-bit is recommended. The product key only specifies editions, not exact versions. You have two options: -> Perform a clean installation of Windows 7 using a compatible 64-bit OEM/retail disk of the same edition and license, utilizing your own product key. -> Or, upgrade to Windows 10 32-bit to obtain the WIn10 license, download the 64-bit ISO for Windows 10, and then carry out a clean installation of Windows 10 64-bit.