Tie them well!… and please pay attention to untie them afterwards….....

 

Generally speaking, you have to know that the knot shouldn’t be so big, as it slips away from the collar, neither should it be so slight, because it could barely be seen…

 

 

Four-in-hand

Old French knot,

the most ordinary

Easy with 5 simple movements. 
Common to the U.S.A. and the most delicate.

Windsor

More complicated.

 

Invention of the Duke of Windsor. 

More usual to Europe.

 

Half Windsor

Nice but difficult

A variation of the previous one and easier.
 

Pratt

The most up dated and easiest way to tie your tie.