When your friend or family member’s computer suddenly runs into trouble, have you ever felt helpless because you’re too far away to help? Don’t worry — Microsoft’s built-in “Quick Assist” was designed for exactly that. This free remote support tool lets you instantly view or even control another person’s Windows computer using a simple security code, as if you were sitting right in front of it.
In this guide, you’ll get a complete overview of this handy tool — from its core functions to hands-on tutorials.
We’ll also dive deep into how to use Quick Assist effectively, explore the best alternatives for Mac users or those who need more advanced features, and share practical troubleshooting tips for common connection issues. Keep reading to discover a more efficient way to collaborate remotely.
Further reading:
What Is Quick Assist: Understanding Its Core Functions

“Quick Assist” is a free, built-in remote support tool for Windows users. There’s no need to pay or install extra software — as long as both parties are on Windows, a simple one-time security code lets you securely share your screen or allow full remote control. Perfectly integrated into the OS, Quick Assist makes tech support quick, easy, and efficient — ideal for resolving temporary PC issues.
Advantages of Quick Assist
Don’t underestimate this small built-in “Windows helper.” Thanks to its four main advantages, it’s a go-to choice for quick, temporary remote support:
Completely free: No subscription fees or hidden costs.
No installation needed: It’s already built into Windows and can be launched instantly from the Start menu.
Extremely easy to use: The simple interface makes it beginner-friendly for both helper and recipient.
Secure connection: Uses Microsoft account verification and one-time security codes to ensure safe access.
Limitations of Quick Assist
Of course, Quick Assist isn’t perfect. Its design makes cross-platform collaboration difficult — and for Mac users, it simply doesn’t work at all, which is a major drawback in today’s multi-device environment.
Here are its main limitations:
Limited use cases: It’s meant for basic tech support only. It doesn’t support remote work, gaming, or creative design tasks.
No macOS support: Mac users can neither generate a code to assist others nor use a code to connect to Windows — a serious inconvenience for cross-platform support.
No file transfer: You can’t share or exchange files directly during a session — you’ll have to rely on messaging apps or cloud services. If you need fast, two-way file transfer, consider Quick Assist’s top alternative — DeskIn.
Time-limited pairing codes: Each security code expires after a short time, so beginners may find it frustrating to reconnect.
No unattended access: Each session requires manual approval from the remote user — meaning you can’t connect to an unattended device.
💡 Tip: If these limitations make Quick Assist unusable for you, skip ahead to our “Best Quick Assist Alternatives” section.
How to Download and Use Quick Assist
Since Quick Assist is a native tool in Windows 10 and Windows 11, you usually don’t need to download it. However, if it’s missing, you can manually install it from the Microsoft Store.
Here’s how to use Quick Assist on Windows:
Step 1: The helper opens “Quick Assist,” clicks “Assist another person,” and signs in with their Microsoft account.
Step 2: The system generates a 6-digit security code — share this code with the person who needs help.
Step 3: The recipient opens “Quick Assist,” enters the code under “Get assistance.”
Step 4: The recipient chooses “Share screen” to allow the helper to view their desktop.
Step 5: The helper can click “Request control” to remotely operate the device after the recipient clicks “Allow.”
Step 6: Either side can click “Stop sharing” anytime to end the session.
The Best Quick Assist Alternative: Seamless Windows–Mac Connectivity

DeskIn is a powerful remote desktop solution and an excellent Quick Assist alternative — especially known for its cross-platform compatibility. Whether you’re using Windows, macOS, Android, or iOS, DeskIn lets you connect and control devices effortlessly and securely.
📥 Want to try it? DeskIn offers a free version with enterprise-grade encryption for safe and reliable use!

Key advantages of DeskIn:
Strong compatibility: Works seamlessly across Windows and macOS, as well as Android and iOS.
High-speed file transfer: Supports unlimited file types and sizes, with speeds up to 12MB/s for smooth workflow.
Flexible connection options: Connect via temporary codes, preset passwords, or unattended access. Supports Wake-on-LAN for remote startup.
Rich collaboration tools: Includes features like screen extension, screen mirroring, voice chat, annotations, and clipboard sharing.
Easy to use: Just install DeskIn on both devices, log into the same account, and connect using the target device’s ID and password.
How to Connect Two Computers with DeskIn
Step 1: Download DeskIn from the official website and install it on both computers. Log in with the same DeskIn account.
Step 2: On the Windows client, find your other device in the device list, click it, enter the security password or temporary code, and you’re connected.
📥 Try it now — click to connect instantly with DeskIn!

How to Fix Quick Assist Not Opening
If “Quick Assist won’t open,” freezes, or crashes, don’t panic. Try these troubleshooting steps:
Step 1: Reset Microsoft Store cache.
Press Windows + R, type wsreset.exe, and hit Enter. Wait about 10 seconds for it to reset and reopen Microsoft Store.
Step 2: Check for Windows updates.
Go to Settings > Update & Security > Windows Update and install all pending updates.
Step 3: Install or repair Microsoft Edge WebView2.
Quick Assist depends on this component. Windows 11 users have it built in; Windows 10 users may need to manually install it from Microsoft’s website.
Step 4: Reinstall Quick Assist via PowerShell.
Run PowerShell as Administrator and enter:
Step 5: Run System File Check.

Open Command Prompt (Admin), type sfc /scannow, and press Enter to repair system files.
Step 6: Create a new local user account.
If the issue persists, try creating a new Windows account and launch Quick Assist there.
If none of these work, consider switching to a more stable remote support tool such as DeskIn, as mentioned earlier.
Conclusion
In summary, Quick Assist is a convenient, free solution for quick, same-platform remote support within Windows. However, its lack of macOS support and limited functionality make it less flexible.
If you often need to connect across different systems (like macOS) or require advanced features such as file transfer or unattended access, a more robust tool like DeskIn will give you a smoother, more professional remote collaboration experience.
📥 Try DeskIn for free today and experience powerful, high-speed remote access!

Quick Assist FAQ
What should I do if my Quick Assist security code expires?
Simply generate a new 6-digit code within Quick Assist and share it again. Each code expires after about 10 minutes for security reasons.
Is it safe to uninstall Quick Assist?
Yes. Uninstalling Quick Assist won’t affect your Windows system stability. However, it’s generally not recommended unless required for system or policy reasons.
Can the recipient end the remote session anytime?
Yes. The person receiving help can stop sharing or close Quick Assist anytime, instantly ending the session — full control remains in their hands.
What other software can remotely control a computer?
Popular remote desktop tools include TeamViewer, AnyDesk, and Chrome Remote Desktop. For users who need smoother performance and advanced features like cross-platform file transfer, DeskIn is an excellent “Swiss Army knife” solution for professional use.
What remote desktop tools do people use abroad?
Globally, TeamViewer and AnyDesk are the most recognized. However, for those needing seamless Windows–Mac connectivity, DeskIn offers superior performance — including ultra-fast file transfers and 4K-quality remote sessions, perfect for professionals and creative teams.
When your friend or family member’s computer suddenly runs into trouble, have you ever felt helpless because you’re too far away to help? Don’t worry — Microsoft’s built-in “Quick Assist” was designed for exactly that. This free remote support tool lets you instantly view or even control another person’s Windows computer using a simple security code, as if you were sitting right in front of it.
In this guide, you’ll get a complete overview of this handy tool — from its core functions to hands-on tutorials.
We’ll also dive deep into how to use Quick Assist effectively, explore the best alternatives for Mac users or those who need more advanced features, and share practical troubleshooting tips for common connection issues. Keep reading to discover a more efficient way to collaborate remotely.
Further reading:
What Is Quick Assist: Understanding Its Core Functions

“Quick Assist” is a free, built-in remote support tool for Windows users. There’s no need to pay or install extra software — as long as both parties are on Windows, a simple one-time security code lets you securely share your screen or allow full remote control. Perfectly integrated into the OS, Quick Assist makes tech support quick, easy, and efficient — ideal for resolving temporary PC issues.
Advantages of Quick Assist
Don’t underestimate this small built-in “Windows helper.” Thanks to its four main advantages, it’s a go-to choice for quick, temporary remote support:
Completely free: No subscription fees or hidden costs.
No installation needed: It’s already built into Windows and can be launched instantly from the Start menu.
Extremely easy to use: The simple interface makes it beginner-friendly for both helper and recipient.
Secure connection: Uses Microsoft account verification and one-time security codes to ensure safe access.
Limitations of Quick Assist
Of course, Quick Assist isn’t perfect. Its design makes cross-platform collaboration difficult — and for Mac users, it simply doesn’t work at all, which is a major drawback in today’s multi-device environment.
Here are its main limitations:
Limited use cases: It’s meant for basic tech support only. It doesn’t support remote work, gaming, or creative design tasks.
No macOS support: Mac users can neither generate a code to assist others nor use a code to connect to Windows — a serious inconvenience for cross-platform support.
No file transfer: You can’t share or exchange files directly during a session — you’ll have to rely on messaging apps or cloud services. If you need fast, two-way file transfer, consider Quick Assist’s top alternative — DeskIn.
Time-limited pairing codes: Each security code expires after a short time, so beginners may find it frustrating to reconnect.
No unattended access: Each session requires manual approval from the remote user — meaning you can’t connect to an unattended device.
💡 Tip: If these limitations make Quick Assist unusable for you, skip ahead to our “Best Quick Assist Alternatives” section.
How to Download and Use Quick Assist
Since Quick Assist is a native tool in Windows 10 and Windows 11, you usually don’t need to download it. However, if it’s missing, you can manually install it from the Microsoft Store.
Here’s how to use Quick Assist on Windows:
Step 1: The helper opens “Quick Assist,” clicks “Assist another person,” and signs in with their Microsoft account.
Step 2: The system generates a 6-digit security code — share this code with the person who needs help.
Step 3: The recipient opens “Quick Assist,” enters the code under “Get assistance.”
Step 4: The recipient chooses “Share screen” to allow the helper to view their desktop.
Step 5: The helper can click “Request control” to remotely operate the device after the recipient clicks “Allow.”
Step 6: Either side can click “Stop sharing” anytime to end the session.
The Best Quick Assist Alternative: Seamless Windows–Mac Connectivity

DeskIn is a powerful remote desktop solution and an excellent Quick Assist alternative — especially known for its cross-platform compatibility. Whether you’re using Windows, macOS, Android, or iOS, DeskIn lets you connect and control devices effortlessly and securely.
📥 Want to try it? DeskIn offers a free version with enterprise-grade encryption for safe and reliable use!

Key advantages of DeskIn:
Strong compatibility: Works seamlessly across Windows and macOS, as well as Android and iOS.
High-speed file transfer: Supports unlimited file types and sizes, with speeds up to 12MB/s for smooth workflow.
Flexible connection options: Connect via temporary codes, preset passwords, or unattended access. Supports Wake-on-LAN for remote startup.
Rich collaboration tools: Includes features like screen extension, screen mirroring, voice chat, annotations, and clipboard sharing.
Easy to use: Just install DeskIn on both devices, log into the same account, and connect using the target device’s ID and password.
How to Connect Two Computers with DeskIn
Step 1: Download DeskIn from the official website and install it on both computers. Log in with the same DeskIn account.
Step 2: On the Windows client, find your other device in the device list, click it, enter the security password or temporary code, and you’re connected.
📥 Try it now — click to connect instantly with DeskIn!

How to Fix Quick Assist Not Opening
If “Quick Assist won’t open,” freezes, or crashes, don’t panic. Try these troubleshooting steps:
Step 1: Reset Microsoft Store cache.
Press Windows + R, type wsreset.exe, and hit Enter. Wait about 10 seconds for it to reset and reopen Microsoft Store.
Step 2: Check for Windows updates.
Go to Settings > Update & Security > Windows Update and install all pending updates.
Step 3: Install or repair Microsoft Edge WebView2.
Quick Assist depends on this component. Windows 11 users have it built in; Windows 10 users may need to manually install it from Microsoft’s website.
Step 4: Reinstall Quick Assist via PowerShell.
Run PowerShell as Administrator and enter:
Step 5: Run System File Check.

Open Command Prompt (Admin), type sfc /scannow, and press Enter to repair system files.
Step 6: Create a new local user account.
If the issue persists, try creating a new Windows account and launch Quick Assist there.
If none of these work, consider switching to a more stable remote support tool such as DeskIn, as mentioned earlier.
Conclusion
In summary, Quick Assist is a convenient, free solution for quick, same-platform remote support within Windows. However, its lack of macOS support and limited functionality make it less flexible.
If you often need to connect across different systems (like macOS) or require advanced features such as file transfer or unattended access, a more robust tool like DeskIn will give you a smoother, more professional remote collaboration experience.
📥 Try DeskIn for free today and experience powerful, high-speed remote access!

Quick Assist FAQ
What should I do if my Quick Assist security code expires?
Simply generate a new 6-digit code within Quick Assist and share it again. Each code expires after about 10 minutes for security reasons.
Is it safe to uninstall Quick Assist?
Yes. Uninstalling Quick Assist won’t affect your Windows system stability. However, it’s generally not recommended unless required for system or policy reasons.
Can the recipient end the remote session anytime?
Yes. The person receiving help can stop sharing or close Quick Assist anytime, instantly ending the session — full control remains in their hands.
What other software can remotely control a computer?
Popular remote desktop tools include TeamViewer, AnyDesk, and Chrome Remote Desktop. For users who need smoother performance and advanced features like cross-platform file transfer, DeskIn is an excellent “Swiss Army knife” solution for professional use.
What remote desktop tools do people use abroad?
Globally, TeamViewer and AnyDesk are the most recognized. However, for those needing seamless Windows–Mac connectivity, DeskIn offers superior performance — including ultra-fast file transfers and 4K-quality remote sessions, perfect for professionals and creative teams.
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