Here is a list of current and archived WoW client patches.

Download these patches at your own risk.  This web site and its management will not take responsibility if these downloads do any damage your computer.

Incremental Patches (ex. 2.4.0 to 2.4.1)

• wow-1.8.4.4878-to-1.9.0.4937-enus-patch.exe  (US english patch) (notes)
• wow-1.9.0.4937-to-1.9.1.4983-enus-patch.exe  (US english patch) (notes)
• wow-1.9.1.4983-to-1.9.2.4996-enus-patch.exe  (US english patch) (notes)
• wow-1.9.2.4996-to-1.9.3.5059-enus-patch.exe  (US english patch) (notes)
• wow-1.9.4.5086-to-1.10.0.5195-enus-patch.exe  (US english patch) (notes)
• wow-1.10.2-to-1.11.0-enus-patch.zip (US english patch) (notes)
• wowpatch_1.11.0.5428_1.11.1.5462.zip  (US english patch) (notes)
• wow-1.11.1.5462-to-1.11.2.5464-enus-patch.exe  (US english patch) (notes)
• wow-1.11.2.5464-to-1.12.0.5595-enus-patch.exe  (US english patch) (notes)
• wow-1.12.0.5595-to-1.12.1.5875-enus-patch.exe  (US english patch) (notes)
• wow-1.12.x-to-2.0.1-enUS-patch.zip (US english patch) (notes)
• wow-2.0.1-to-2.0.3-enus-patch.zip  (US english patch) (notes)
• wow-2.0.3-to-2.0.4-enus-patch.mpq  (US english patch)  (notes)
• wow-2.0.4.6314-to-2.0.5.6320-enus-patch.exe  (US english patch)  (notes)
• wow-2.0.5.6320-to-2.0.6.6337-enus-patch.exe  (US english patch)  (notes)
• wow-2.0.6.6337-to-2.0.7.6383-enus-patch.exe  (US english patch)  (notes)
• wow-2.0.7.6383-to-2.0.8.6403-enus-patch.exe  (US english patch)  (notes)
• wow-2.0.8.6403-to-2.0.10.6448-enus-patch.exe  (US english patch)  (notes)
• wow-2.0.10.6448-to-2.0.12.6546-enus-patch.exe  (US english patch)  (notes)
• wow-2.0.12.6546-to-2.1.0.6692-enus-patch.exe  (US english patch)  (notes)
• wow-2.1.0.6692-to-2.1.0.6729-enus-patch.exe  (US english patch)  (notes)
• wow-2.1.2.6803-to-2.1.3.6898-enus-patch.exe  (US english patch)  (notes)
• wow-2.1.3.6898-to-2.2.0.7272-enus-patch.exe  (US english patch)  (notes)
• wow-2.2.0.7272-to-2.2.2.7318-enus-patch.exe  (US english patch)  (notes)
• wow-2.2.2.7318-to-2.2.3.7359-enus-patch.exe  (US english patch)  (notes)
• wow-2.2.3.7359-to-2.3.0.7561-enus-patch.zip  (US english patch)  (notes)
• wow-2.3.0.7561-to-2.3.2.7741-enus-patch.exe  (US english patch)  (notes)
• wow-2.3.2.7741-to-2.3.3.7799-enus-patch.exe  (US english patch)  (notes)
• wow-2.3.3.7799-to-2.4.0.8089-enus-patch.exe  (US english patch)  (notes)
• wow-2.4.0.8089-to-2.4.1.8125-enus-patch.exe  (US english patch)  (notes)
• wow-2.4.1.8125-to-2.4.2.8278-enus-patch.exe  (US english patch)  (notes)
• wow-2.4.2.8278-to-2.4.3.8606-enus-patch.exe  (US english patch) (notes)

Full patches (ex. 2.x.x to 2.4.0)

• wow-1.9.0-enus-patch.exe  (US english FULL patch) (notes) from any version 1.x.x to 1.9.0
  
• wow-1.10.0-enus-patch.exe  (US english FULL patch) (notes) from any version 1.x.x to 1.10.0
• wow-1.11.0-enus-patch.exe  (US english FULL patch) (notes) from any version 1.x.x to 1.11.0
  
• wow-1.12.0-enus-patch.exe  (US english FULL patch) (notes) from any version 1.x.x to 1.12.0
  
• wow-2.4.0-enus-patch.exe  (US english FULL patch)  (notes) from any version 2.x.x to 2.4.0

WoW Full Game Installers

• Base (original) installer, version 2.0.0  (coming soon)
• The Burning Crusade installer, slim version  (coming soon)
• The Burning Crusade installer, full version  (coming soon)
  

Another good place to get WoW client patch files:  http://a.wirebrain.de/wow/