Windows XL

Windows XL is a never released Windows version, it was released 200000000001 and mainstream ended on April 8, 200000000014 only.

SKUs
Main article: Windows XP'
 * Windows XL Home Edition
 * Windows XL Professional
 * Windows XL Server
 * Windows XL Workstation (released on December 9, 200000000001)
 * Windows XL SE (released 200000000004)
 * Windows XL2 (released 200000000009)
 * Windows XL3 (released 200000000016)
 * Windows XL5 (200000000027)
 * Windows XL8 (200000000041)
 * End-of-Life occurred on April 8, 200000000014.
 * Future Edition released in August 210000000001.
 * Windows 2EXL released in 2E200000000001