gpedit.msc is only available on Windows Pro editions. So far I only know its available on Windows 10 and Windows 8/8.1, but idk about 7.
How to Disable “Update to Windows 8.1 for Free” Notification in Windows 8 Store?
Description
If you are tired of seeing “Update to Windows 8.1 for Free” notification then it’s time to disable it. Get rid of these regular prompts to upgrade to Windows 8.1 for free.

Solution:
There are two ways to disable "Update to Windows 8.1 for Free" notification message in Windows 8:
Method 1: Using Group Policy Editor (gpedit.msc)
- Press “WIN+R” keys together to launch RUN dialog box and type “gpedit.msc.” Then press “Enter.”
- “Group Policy Editor” gets open.
- Go to:
Computer Configuration -> Administrative Templates -> Windows Components -> Store
- On the right-side pane, double-click “Turn off the offer to update to the latest version of Windows" option and set its value to "Enabled".

It will disable the Windows 8.1 free update installation notifications.
Method 2: Using Registry Editor (regedit)
You can do the same thing using Registry Editor instead of Group Policy Editor. Follow the below steps:
- Launch RUN dialog box by pressing “WIN+R” and type “regedit” and press “Enter”.
- “Registry Editor” gets open.
- Go to the following key:
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsStore
If you don’t find the above key then create it manually.
- Choose “WindowsStore” key and in right-side pane, create a new DWORD DisableOSUpgrade and set its value to 1.

5. Now, close “Registry Editor” and log off or restart Windows.
Congrats, you have successfully disabled those notifications
Windows for home | Previous Windows versions | Microsoft Store
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Anonymous
2017-02-21T05:14:13+00:00 -
Anonymous
2017-02-21T05:20:34+00:00 For real?? I know a person who has a laptop similar to what your saying and it runs Windows 10, Core 2 Duo 2 GB Ram and its CLEAN... that's odd....