How to Block Kids from Installing Software in Windows 11
If you share a Windows 11 PC with kids, chances are they’ve tried to install random apps, games, or even unwanted software. While curiosity is natural, unsupervised installations can expose your device to malware, slow down performance, or change important system settings.
The good news is that Windows 11 offers several built-in tools—and some advanced options—for preventing kids from installing unauthorized apps. In this guide, we’ll walk through the best methods to block software installation and keep your system safe.
Why Restrict Software Installations?
Letting kids install software freely can lead to:
- Security risks – Unsafe apps may contain malware, spyware, or adware.
- System instability – Random apps can break Windows settings or conflict with existing programs.
- Performance issues – Background apps can slow down the PC.
- Unauthorized access – Games or apps installed from USB drives or shady websites bypass your control.
By applying restrictions, you maintain control while keeping the computer safe and reliable.
Methods to Block Software Installations in Windows 11
Here are practical methods you can use—ranging from simple account changes to advanced policy settings:
1. Use a Standard User Account
Create a separate account for your child and keep the administrator account password-protected. Standard accounts can’t install software without admin approval.
2. Set Up Microsoft Family Safety
With a Microsoft account, you can require approval for apps and games. This works well for younger kids but is mostly limited to Microsoft Store apps.
3. Enable Strict User Account Control (UAC)
Set UAC to “Always Notify” so any attempt to install software triggers an admin prompt.
4. Disable Windows Installer (Pro/Enterprise only)
Using Group Policy, you can prevent .msi package installations. This blocks many traditional installers.
5. Disable or Restrict Microsoft Store
Through Group Policy or registry edits, you can block access to the Microsoft Store to stop app downloads.
6. Use AppLocker or Software Restriction Policies
AppLocker allows fine-grained control over which .exe or .msi files can run. This is available in Windows 11 Pro and Enterprise editions.
7. Restrict USB and External Drives
Block apps from being installed via removable storage devices. This stops kids from bringing games on a USB stick.
8. Block Executable Downloads
Use Windows Security features like SmartScreen and block Potentially Unwanted Apps (PUA). This prevents risky downloads from browsers.
9. Deny Write Access to Install Folders
Restrict NTFS permissions for installation folders like C:\Program Files so unauthorized accounts can’t install software.
10. Disable CMD and PowerShell
For advanced protection, disable scripting tools to prevent bypassing restrictions.
11. Switch to Windows 11 S Mode
In S Mode, only Microsoft Store apps can be installed. This is a strong lockdown but limits flexibility.
Things to Keep in Mind
- Windows 11 Home users won’t have access to advanced features like AppLocker or Group Policy—stick to user accounts, Family Safety, and registry tweaks.
- Driver and school apps may need exceptions, so always test restrictions first.
- Protect your administrator account with a strong password.
- Periodically review your child’s account to ensure restrictions are working properly.
Final Thoughts
Blocking kids from installing software in Windows 11 isn’t about limiting their curiosity—it’s about protecting the system and ensuring it stays secure and stable. Start with the basics (like a standard account and Family Safety), then add advanced restrictions if needed.
With the right setup, you can let kids explore safely without worrying about malware or broken settings.

