Windows 8 build 8520

6.2.8520.0.fbl_eeap.120722-1632
	Build of Windows 8
OS family	Windows NT
Version number	6.2
Build number	8520
Build revision	0
Architecture	x86, ARM32
Build lab	fbl_eeap
Compiled on	2012-07-22
Expiration date
Timebomb	2013-01-15 (+177 days)
About dialog

Windows 8 build 8520 is a build of Windows 8, which was released to Microsoft partners through the Ecosystem Engineering Access Program (EEAP) on or around 27 July 2012.^[1] It was first uploaded to BetaArchive on 3 February 2020 in the x86 and ARM32 architectures in the Czech and Traditional Chinese (Hong Kong SAR variant) languages respectively; the British English and Arabic (Saudi Arabia) language versions of this build in the ARM32 architecture were later uploaded on 4 May 2022. The Simplified Chinese variant of this build was first shown on 8 July 2023^[2], and was eventually uploaded on 10 August 2023. The American English of this build in the ARM32 architecture was uploaded to the Chinese website BetaWorld on 6 June 2023 along with build 8288,^[3] and was later shared on 23 October 2024.

Editions and keys[edit | edit source]

Edition / SKU Name	Key
Core	2H7NK-3VJJY-HHY3Y-WM3T8-JFCRY
CoreARM	NFV72-RG2HG-7FTTP-8FJTB-FF848
Professional	GCNRF-BHBCM-W9YWM-VWQP6-TJBWR
ProfessionalWMC (edition upgrade only)	MBFBV-W3DP2-2MVKN-PJCQD-KKTF7

New features and changes[edit | edit source]

The Adobe Flash Player ActiveX control has been updated from 11.3.372.67 to 11.3.372.94.

Bugs and quirks[edit | edit source]

Strings[edit | edit source]

Theme1 and Theme2 retains the display names from build 8513.

Localization[edit | edit source]

In the Czech version, the Microsoft Confidential watermark appears to be pseudo-localized and in English.
In the Arabic, Simplified Chinese, and Traditional Chinese versions, the Microsoft Confidential watermark is in English.