Latest Windows Updates and Service Packs overview

This guide provides you with information on the latest Windows updates and Service Packs, including where to download them and how to install them.

Microsoft released service packs traditionally for its operating systems, but switched to the new feature upgrade system with the release of Windows 8.

Service Packs are only available for Windows 7 and earlier operating systems on the client side, while Feature upgrades for Windows 8 and newer versions of Windows including Windows 10.

Windows Support

Microsoft supports the following client operating systems currently:

Operating system	Latest Update	Support Phase	End of Support
Windows XP	Service Pack 3	ended	ended
Windows Vista	Service Pack 2	extended support	April 11, 2017
Windows 7	Service Pack 1	extended support	January 14, 2020
Windows 8	Windows 8.1	mainstream support	January 9, 2018
Windows 8	Windows 8.1	extended support	January 10, 2023
Windows 10	Anniversary Update	mainstream support	October 13, 2020
Windows 10	Anniversary Update	extended support	October 14, 2025

Windows 10 support may be extended beyond the dates currently provided.

Major Windows Updates

Generally speaking, there won't be any new major updates for any version of Windows but Windows 10. Microsoft won't release Windows 8.2 for instance, and it won't release Service Packs anymore either.

The company plans to release two feature updates for Windows 10 per year.

Windows 10 version	Name	Release date
Windows 10 build 1507	initial release	29.07.2015
Windows 10 build 1511	November Update	12.11.2016
Windows 10 build 1607	Anniversary Update	2.08.2016
Windows 10 build 1704	Creators Update	April 2017
Windows 10 build 17xx	unknown	Late 2017

Service Packs Downloads

The following table lists Windows client and server operating systems, and the most recent Service Pack or Feature upgrades for each.

Download links may point to the Microsoft Update Catalog for standalone downloads, to the Microsoft Download site, or tools that help you download these updates.

Please note that you may use Windows Update as well to download the latest updates, service packs and feature upgrades for the version of Windows that is installed on the computer.

Windows Version	Architecture	Service Pack	Size	Download
Windows XP	32-bit	Service Pack 2	266.0 MB	SP2 32-bit
Windows XP	32-bit	Service Pack 3	316.4 MB	SP3 32-bit
Windows XP Pro	64-bit	Service Pack 2	350.9 MB	SP2 64-bit
Windows Vista	32-bit	Service Pack 1	544.3 MB	SP1 32-bit
Windows Vista	64-bit	Service Pack 1	873.0 MB	SP1 64-bit
Windows Vista	32-bit	Service Pack 2	475.5 MB	SP2 32-bit
Windows Vista	64-bit	Service Pack 2	745.2 MB	SP2 64-bit
Windows 7	32-bit	Service Pack 1	537.8 MB	SP1 32-bit
Windows 7	64-bit	Service Pack 1	903.2 MB	SP1 64-bit
Windows 7	32-bit and 64-bit ISO	Service Pack 1	1.9 GB	SP1 ISO
Windows 7	32-bit	Convenience Rollup	316.0 MB	CR 32-bit
Windows 7	64-bit	Convenience Rollup	476.9 MB	CR 64-bit
Windows 8	32-bit	Windows 8.1	428.9 MB	W8.1 32-bit
Windows 8	64-bit	Windows 8.1	887.9 MB	W8.1 64-bit
Windows 10	32-bit and 64-bit	Anniversary Update	depends	W10 1611
Windows Server 2003	32-bit	Service Pack 2	372.0 MB	SP2 32-bit
Windows Server 2003	64-bit	Service Pack 2	350.9 Mb	SP2 64-bit
Windows Server 2008	32-bit	Service Pack 2	475.5 MB	SP2 32-bit
Windows Server 2008	64-bit	Service Pack 2	745.2 MB	SP2 64-bit
Windows Server 2008 R2	64-bit	Service Pack 1	912.4 MB	SP1 64-bit
Windows Server 2008 R2	64-bit	Convenience Rollup	476.9 MB	CR 64-bit

Some notes:

1. Service Pack updates are cumulative usually. This means that you only need to install the latest available Service Pack and not previously released ones. Exception: Windows Vista requires SP1 before you can install SP2. Windows XP requires SP1a or SP2 before you can install SP3.
2. There is no Windows XP Pro 64-bit Service Pack 3.
3. There is no 32-bit version of Windows Server 2008 R2.
4. The Convenience Rollup update for Windows 7 and Windows Server 2008 R2 requires the April 2015 servicing stack update.
5. Windows 10 feature upgrades are cumulative as well. You only need to install the latest to install all available feature upgrades.