Upgrading to Visual Studio 2022 should be a low-friction experience and should not require your code to change. You can still build 32-bit, and all of your existing applications, in Visual Studio 2022 ...

With Visual Studio 2022, you'll finally be able to take advantage of all of your system RAM. Earlier versions of Visual Studio are 32-bit applications, thereby hobbling VS to a maximum of 2GiB RAM.

Given the slow transition to 64-bit technologies, the Whidbey development platform will most likely be used primarily for writing 32-bit code.