Memtest86+ - Memtest86+ is a free-to-download memory test software designed to test and stress test an x86 or...
MemTest - MemTest is a RAM tester that runs under Windows.
PassMark MemTest86 - MemTest86 is a memory test for x86 computers.
RAM Stress Test Pro2 - Computer PC Diagnostic Test Tools
Event Viewer - Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.
Winspector Spy - Have you ever used Spy++ that comes with MSVC?