Jigsaw Puzzle Frames Is There A Good Procedure (other Than A "kit") For Readying A Jigsaw Puzzle To Frame And Hang On The Wall

Is there a good procedure (other than a "kit") for readying a jigsaw puzzle to frame and hang on the wall - jigsaw puzzle frames

I finished the puzzle and found to be so clear that I'd like to permanently keep. Suggestions on how to assemble this already?