bytes (roughly 4 GB) of memory, modern x86 processors are capable of much more through a three-level address translation scheme. Microsoft, however, historically restricted consumer versions of 32-bit Windows to the 4 GB limit, citing driver compatibility and system stability.

: Instead of overwriting the original system, it creates a new boot entry, allowing users to choose between the standard "safe" Windows and the "unlocked" PAE version. The Alchemy of "Number Go Up" Thread: PAE Windows kernel patch - TTLG

The core of the issue lies in . While a standard 32-bit operating system is mathematically capped at addressing 2322 to the 32nd power