The original Microsoft Minesweeper levels were Beginner (8x8), Intermediate (9x9) and Expert (30x16). Windows XP changed the Beginner grid to 9x9 while the maximum board size in all versions is 30x24.

System Requirements\n\n Requires a 64-bit processor and operating system. OS *: Windows 7/8/10 - 64bits. Processor: 2 GHz Intel Pentium 4 or AMD Athlon or equivalent. Memory: 2 GB RAM.