Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method 1 or 2.

Check if the module is compatible with an x86 (32-bit) or x64 (64-bit) version of regsvr32.exe.

Microsoft first introduced the signing requirement for user mode PEs in Windows 11, version 21H2. These changes were serviced to the supported Windows client and Windows server products through Windows Update. All versions of Windows 11 natively support Trusted Signing for user mode PE files.

These issues occur because the MFC implementation of Visual C++ 2013 contains incorrect code for handling high-DPI mode. A fix is available for this MFC implementation, and the fix does not require affected applications to be recompiled.

Get answers to some common questions about 32-bit and 64-bit versions of Windows.

This redistributable component is only for 32-bit operating systems. You cannot install this component on a computer that is running the 64-bit versions of Windows Server 2003 or of Windows XP.

New update package files that contain incremental binary differentials against the version of binaries in the last checkpoint. This process might be repeated multiple times, thereby generating multiple checkpoints during the lifecycle of a given Windows release.

If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version of Windows. If the value that corresponds to Processor starts with ia64 or AMD64, the computer is running a 64-bit version of Windows.

Learn how to fix "couldn't install Office" error related to 64-bit or 32-bit versions of Microsoft Office.

Regedt32.exe is the primary Registry Editor for Windows NT 4.0 and Windows 2000. If you must use Regedt32.exe, you cannot use Registration Entries (.reg) files to modify the registry.