Practice mode · free · unlimited · not certifiable

Windows File Explorer

Unscored tasks with hints and instant feedback. Practice results never become credentials.

Short lesson

Windows keyboard essentials · 6 min

Win+E Explorer · Win+V clipboard history · Win+←/→ snap · Win+Ctrl+D new desktop · Win+Tab Task View · Ctrl+Shift+Esc Task Manager.

L1Knowledge checkmcq

In File Explorer, how do you show file extensions such as .pdf and .docx?

L3Knowledge checkmcq

Which Explorer search finds PDFs modified last week?

L3Bulk rename scansossim

Rename the 12 scan PDFs in Documents/Scans to invoice-01.pdf … invoice-12.pdf (keep their order) and move them into a new folder Documents/Invoices 2026. Leave readme.txt.

L5Knowledge checkmcq

Which PowerShell one-liner renames every .jpeg in the current folder to .jpg?