Dude, Its "CTRL + ALT + DEL" (AND IT IS NOT ONLY OPENS TASK MANAGER, BUT A LIST OF USEFUL ACTIONS). "CTRL + SHIFT + ESC" is the "ONLY" shortcut to open "TASK MANAGER". "CTRL + SHIFT + DEL" is specific shortcut. Actually this shortcut widely used to bring up clear browsing data window in browsers. Stop acting like you know everything, dont try to prove that you know everything and better than others. Most of these shortcuts are not just basics. 5 out of 10 or maybe more users dont even know many of them. A RU-vid video is not for everyone, be polite.
So, Iam a 90% puli... I can give you some more... Ctrl + w = close window or tab, ctrl + tab switch tabs in browser (Find settings for change this settings from edge to windows).. One more; use Ditto application for unlimited clipboard history.
One doubt fn (function) key chila keyboard ukalil illa for example LAPCARE KEYBOARD appol F1 F2 F3........thudangiyava undu ivide F1,F2 .....function cheyyan Vere shirt cut undo computer settings allathe shift or alt upayogichu .Sir. Oru solution parayamo