3. Use of computer function:

(1) Add or change desktop icons.
(2) How to change desktop background wallpaper and themes.
(3) How to create New Folder.
(4) How to delete or permanently delete a Folder or file.
(5) How to Minimize, Restore Down, Maximize or Close a window.
(6) How to close a open file, folder or program by force (if normally not close).
(7) How to change screen brightness or power options.
(8) How to change power button and lid (monitor) close action (Laptop).
(9) Create user account with password.
(10) Create guest account with password.
(11) How to uninstall a program to increase access speed.
(12) How to change computer date & time.
(13) How to pin a program in Taskbar or Start Menu.
(14) How to change screen text size (DPI).
(15) How to hidden a files or folders.
(16) How to hidden a drive.
(17) How to show hidden files, folders.
(18) How to show hidden drive.
(19) How to lock a drive by password (by BitLocker).
(20) How to use check box to select items.
(21) How to disk defragment to increase access speed.
(22) How to share a folder.
(23) How to add a share printer.
(24) How to open On-Screen Keyboard.
(25) How to use computer Speech Recognition.
(26) How to format a drive or Pen drive.
(27) How to turn off AutoPlay.
(28) How to search a file in whole computer.
(29) How to make restriction for a guest account.










(17) How to show hidden files, folders.



How to show hidden files, folders:

Windows 7:
(i) Click mouse left button on start icon (start icon). Click mouse left button on Computer.
(ii) Click on Organize button upper left corner & click on Folder & search options.
(iii) Click on View button. Click on Show hidden files, folders, or drives. Click OK to apply.

Windows 8.1 & above:
(i) Click mouse left button on Start icon (left bottom corner). Click mouse left button on Computer.
(ii) Click to View from above Menu and give the tick mark beside Hidden items.




See description with screenshot & Video



Description with screenshot:

How to show hidden files, folders:

Windows 7:
(i) Click mouse left button on start icon (start icon). Click mouse left button on Computer (See screenshot below).




(ii) Click on Organize button upper left corner & click on Folder & search options (See screenshot below).
 




(iii) Click on View button. Click on Show hidden files, folders, or drives. Click OK to apply (See screenshot below).
 












Video:

How to show hidden files, folders: