How to improve your golf putting

Golfers;
When all is said and done, it comes down to square contact with a squarely aimed face moving squarely at the target.
Sounds simple and it can be .
It is a common misconception you need to spend countless amount of time with trial and error to know which direction your putt is going to go.
Most golfers don't realize there putter face is not at a 90 degree angle on there intended line at address, a simple do-it-yourself procedure that you can perform in your own home will establish your proper alignment.
At address position with your feet parallel and pointing at right angle toward  a carpenters square or square markings on flooring grip your putter with toe of putter vertical now sole your putter, if square fine, if off a small  amount  simply make proper allowance for it by turning blade either right or left, another means and perhaps better, as it aligns your  shoulders, is to move your back foot forward or back never move your front foot it is always an anchor at right angle to target line.