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Keeping office computers updated without breaking things

A plain-English routine for Windows updates in a small office, plus one date to check this week: Windows 11 version 24H2 stopped getting updates on Pro and Home PCs on October 13, 2026.

Updates are the boring chore that stops most break-ins. When Microsoft finds a security hole, the fix arrives as an update, and attackers go after computers that haven’t installed it yet. The usual reason offices skip updates is fear: someone once restarted at the wrong moment, or an update changed something. The fix is a routine, not avoidance.

Check one date this week

Windows 11 gets a new version about once a year, and each version is supported for a limited time. According to Microsoft, version 24H2 stopped receiving updates for Home and Pro editions on October 13, 2026. A computer left on 24H2 will not get new security fixes until it moves to a newer version. Version 25H2 is supported for Home and Pro until October 12, 2027, as of this writing. (Enterprise and Education editions get longer support. Most small offices run Pro.)

Most computers move to a newer version on their own through Windows Update, but not every one does, so check:

  1. Click Start, then Settings, then System, then About.
  2. Under Windows specifications, look at Version.
  3. If it says 24H2, open Settings, then Windows Update, and select Check for updates. Install whatever it offers, restarting when asked.
  4. If it keeps failing, or the computer is managed by an IT company, tell them and ask them to confirm it.

If the computer is still on Windows 10, see the Windows 10 article instead.

A simple routine

  1. Let automatic updates run. Windows 11 downloads and installs updates by itself. Don’t turn that off.
  2. Set active hours in Windows Update settings, so restarts don’t happen while someone is working. Windows tries to restart when you aren’t using the computer.
  3. Restart when asked. An update isn’t finished until the computer restarts. If you get a prompt, choose Schedule the restart and pick a time, such as before lunch or at the end of the day.
  4. Make Patch Tuesday your check-in. Microsoft releases its main monthly security updates on the second Tuesday of the month. The next is November 10, 2026. A few days afterward, glance at each computer for a pending restart.
  5. Look at the history. In Windows 11, go to Settings, Windows Update, Update history to see what was installed and when.
  6. Don’t forget everything else. Web browsers, Office programs, printer software, and the router or firewall need updates too. Write down every device and program in the office, and who updates each one.

Before a big update

  • Make sure there is a recent backup of important files. Backups for a small office explains how.
  • Don’t start one on a day with a deadline, payroll, or an important meeting.
  • If you have several computers, update one first, use it for a day, and then do the rest.

Pausing and undoing updates

Windows lets you pause updates for a while. That’s fine if a restart really would hurt this week, such as during a bank close or a court date. Microsoft says that once the pause limit is reached, the latest updates must install before you can pause again, so a pause only buys time.

Uninstalling an update is possible from Update history, but Microsoft advises against it unless necessary, and some updates can’t be removed. If an update has broken something, call your IT person rather than removing it yourself, since removing a security fix leaves the hole open.

Never keep a computer unpatched “because it works.” A computer that hasn’t had updates in months is the one an attacker finds first.

When to call a professional

  • Updates fail repeatedly or the computer is stuck restarting
  • A program your office depends on stops working after an update
  • You can’t tell whether a computer is supported, or how to move it to a newer version
  • Computers hold regulated data, where an unpatched system can become an audit finding

Sources

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