No. 32-bit will upgrade to 32-bit. You need to install the 64-bit manually. It will then auto-update and stay on the 64-bit version. 64-bit version will uninstall the 32-bit version so you don’t have to do anything special.
The 32-bit will not replace the 64-bit version, you will need to uninstall the 64-bit manually if you want to go back to the 32-bit.
