Windows10
From Leaky
Contents
Enabling the Windows 10 lock screen image information
Click on Start > Run and type control userpasswords2 to open the user management dialog. Click on the Advanced tab and untick the checkbox at the bottom for Require users to press Ctrl-Alt-Delete
Comparison of files or folders
Install WinMerge from winmerge.org - it includes a shell extension to allow easy comparison of files or folders.
View image EXIF data
Picture Information Extractor (PIE) - free download
Checksum files
Works in Windows 7 and 8 too.
certutil -HashFile filename.zip MD5 certutil -HashFile filename.zip SHA1
MacOS QuickLook for Windows
It allows user peek into a file content in lightning speed by just pressing the Space key.
Ditto - multi-buffer clipboard
Direct from SourceForge or via the Microsoft Store