Windows PCs should to be online for at least 6-8 hours to get and install the latest updates, according to Microsoft.
That tip comes to us courtesy of a post on the Microsoft IT Pro Blog (opens in new tab) by David Guyer, who outlines how Microsoft data shows Windows PCs need at least 2 continuous connected hours and 6 total connected hours after an update is released to reliably update.
This is significant because Microsoft discovered that Windows PCs which aren't connected to the Internet for at least this long are unlikely to successfully download and install Windows updates, potentially weakening their security.
The post also reveals that Microsoft tracks how long PCs are connected to Windows Update and logs it as an "Update Connectivity" statistic. This data is available via Microsoft's inTune app, a component of the company's Endpoint IT management toolset.
Based on that data, Guyer makes the claim in his blog post that 50% of Windows 10 devices not on a serviced build of Windows don’t meet the minimum Update Connectivity requirement. He also claims that 25% of Windows 10 PCs on a serviced build that have security updates over 60 days out of date have less than the minimum Update Connectivity.
"When troubleshooting update issues, we have found it is best to select devices that have sufficient Update Connectivity," said Guyer. "If a device has insufficient Update Connectivity, then investigating other update issues is complicated because the low Update Connectivity can create new issues that go away once there's enough connectivity."
Put simply, he's saying Windows PCs should be connected to the Internet for at least 6 hours after every update to ensure they have adequate time to patch themselves. Of course,tThis data corresponds to PCs running Windows 10. The report doesn’t say how long computers running Windows 11 need to be connected in order to reliably get and install updates, but hopefully it's even less time since, according to Microsoft, Windows 11 updates are up to 40% smaller (opens in new tab) than on prior editions.
While this information is certainly interesting, it isn’t something you necessarily need to worry about. So long as your PC is regularly powered on and connected to the internet, your updates should install just fine. If you want, you can leave your PC on overnight and let updates install while you sleep.
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