Process Explorer v11.13: This includes bug fixes for viewing thread stacks of system threads and 64-bit thread stacks. It also fixes compatibility with Windows 9x and NT 4.
Process Monitor v1.31: This update fixes a bug that could result in a deadlock when exiting or disabling capture with thread profiling enabled.
Handle v3.31: No functional change and hence no version number update, but has version field that enables it to work again on Windows 9x and NT 4.
Source:→ TechNet Blogs
Process Explorer, Process Monitor, Handle, Software, Updates, Download, Microsoft