5 Hidden PC Trick you must try now! ▪️Instantly Lock your PC: Press Windows Button + L to immediately lock screen between tasks. ▪️Saving a .xlxs (EXCEL) File as .xlsb will reduce its file size bt 75%. ▪️Press Windows Button + (.) Dot Key to enable Emoji Keyboard on your PC. ▪️ Select a file and Press Shift + Delete to Permanently delete the file and won't be saved in recycle bin! ▪️To enable Dark Mode on Your Windows 10 PC, Goto Settings>Personalization>Color> Enable Dark Mode