Not sure if your installed version of Windows is 32-bit or 64-bit? One quick way to tell is by looking at information about your operating system installation in Control Panel.

Understanding whether your Windows PC is running a 32-bit or 64-bit version is crucial when installing apps.

At some point, though, the app may stop working partially or altogether. After June 2024, the Epic Games Store will be officially supported on 64-bit Windows 10 and Windows 11, which is 64-bit only.

Why do I get an Unsupported 16-bit Application error on Windows 11/10? Windows 11 comes with only 64-bit and cannot support 16-bit.

64-bit apps on Windows on Arm are a work in progress: some are native, many work well with the new 64-bit emulation, but others will have to wait for more support in insider builds of Windows.

Going forward, the app will only work with 64-bit versions of Windows 11 and Windows 10. Paint.NET will no longer support Windows 7, Windows 8.1, or any 32-bit versions of Windows going forward.

What to Know All Windows 11 installations are 64-bit, and Windows XP is most likely 32-bit. For Windows 10, 8 & 7, go to Control Panel > System and Security > System. Check System type.