There is no Windows XP Pro 64-bit Service Pack 3.

Windows XP requires SP1a or SP2 before you can install SP3. Exception: Windows Vista requires SP1 before you can install SP2. This means that you only need to install the latest available Service Pack and not previously released ones.

Service Pack updates are cumulative usually.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. The following table lists Windows client and server operating systems, and the most recent Service Pack or Feature upgrades for each.ĭownload links may point to the Microsoft Update Catalog for standalone downloads, to the Microsoft Download site, or tools that help you download these updates. Microsoft will release one feature update per year for Windows 10 starting with the Windows 10 version 21H2 update. Microsoft won't release Windows 8.2 for instance, and it won't release Service Packs anymore either.

Generally speaking, there won't be any new major updates for any version of Windows but Windows 10.

Service pack