The half-windsor knots is one of the most classic and popular ways to tie a necktie. It is highly wearable because it is medium-sized and symmetric. It looks very similar to the Windsor knot, but is about 3/4 the size.
Why you want it- The half windsor can be pulled off on most different collars. It is a powerful knot, but for a more tame man. Sure, everyone wants to be the boss like Ari Gold, but baby steps are needed. Try going with this before you go full windsor. For how to tie see above.