Step 1: You need polyglot folder in C:\ drive
Step 2: To make a bin book you will need a pgn file too, which has collection of games, inside polyglot folder
Step 3: Open your MS-DOS and it will look like this:

Step 4: You have to change to it typing 'cd c:\polygot' :

Step 5: Now you are ready to put the 7 commands you find in readme file inside polyglot folder, anyway I posted the commands:
polyglot make-book -min-game 1 -uniform -only-white -pgn games.pgn -bin w1.bin
polyglot make-book -min-score 50 -only-white -pgn games.pgn -bin w2.bin
polyglot make-book -min-game 1 -uniform -only-black -pgn games.pgn -bin b1.bin
polyglot make-book -min-score 40 -only-black -pgn games.pgn -bin b2.bin
polyglot merge-book -in1 w1.bin -in2 w2.bin -out w.bin
polyglot merge-book -in1 b1.bin -in2 b2.bin -out b.bin
polyglot merge-book -in1 w.bin -in2 b.bin -out mybook.bin
Your book is ready!
PS:
1. game.pgn and mybook.bin were according to my files, make your changes if necessary
2. I make bin book in that way, any comments or something different let me know
3. Good bin book is made if we use good pgn file...engine vs engine
















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