Key build flags:
Because x64 uses a different calling convention (fastcall with RCX, RDX, R8, R9), the Activation Context API calls have larger stack frames. Windows 8 RTM had a bug where deeply nested manifests could cause a STATUS_STACK_OVERFLOW in ntdll!LdrpWalkImportDescriptor . This was patched in Windows 8.1. sxsi x64 windows 8
Note: This is rarely needed for home users. Key build flags: Because x64 uses a different
Using Windows 8 (x64) tools like DiskExplorer or XM6 to create or manage .hds hard drive images that use the SxSI driver. sxsi x64 windows 8