You can create word search yourself using nothing more than a pen and paper, but it can take you a long time! If you want to make some of these puzzles, the best answer is to use the computer _ with the right software, it's a piece of cake: type a list of words and a puzzle can be generated automatically for you in a few seconds. As well as varying your word list, using software will also allow you to experiment with placing words in different orientations. and create different size and shap puzzles.
Many sites offer a single month at a time. That works okay since people only print one month at a time. Downloads are usually in Word, Adobe, or Excel. Which you use depends on which software you are comfortable with. If you know Excel best then get an Excel calendar. If you are very good with Word, there are formats available which can be adjusted on the screen. It takes some practice to add notes to any template, but it's not too bad with practice.