Use the numeric keypad and not the row of numbers above the alphabet.
The top number row does not work for this procedure.
If your keyboard lacks a numeric keypad, use the Character Map.

Curly quotes on a gray background.mattjeacock / Getty Images
To launch it, pressWin+Rand typecharmapin theRunbox.
When it opens, find the character you want to insert, and clickSelect.
SelectCopywhen you’ve selected all the characters you want to add, then paste them into the document.

Smart quotes do not always work well on the web, so most sites use straight quotes.
Quick Reference Chart of Keyboard Shortcuts
Why Curly Quotes and Apostrophes?
More About the Straight Apostrophe
Straight quotes come from the typewriter.
The straight marks on the apostrophe key are also called primes.
Tochange the appearance of quotes in Word, go toFile>Options>Proofing>AutoCorrect Options.
ChooseAutoFormat As You jot down.
When youuse quotation marks in a search engine, you’ll find more specific results.