Are your Microsoft licenses genuine and authentic?

Yes, 100% of our licenses are genuine Microsoft products sourced directly from authorized channels. Every license comes with full Microsoft support and lifetime validity.

How fast is the delivery after purchase?

We provide instant digital delivery. Your license key will be delivered to your email within seconds after payment confirmation. No waiting, no shipping delays.

What payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and cryptocurrency payments. All transactions are secured with SSL encryption.

Do you offer customer support?

Yes, we provide 24/7 customer support via email and live chat. Our expert team can help with installation, activation, and any technical questions.

Is there a money-back guarantee?

Yes, we offer a 30-day money-back guarantee. If you're not satisfied with your purchase or experience any issues with activation, we'll provide a full refund.

Can I use the license on multiple devices?

It depends on the product. Single-device licenses can be used on one PC. We also offer multi-device packs (5 PC) for families and businesses that need multiple installations.

Windows 11 Phone Activation Guide

Phone activation is a reliable backup method when Windows 11 online activation fails. This guide walks you through the complete process of activating Windows 11 via Microsoft's automated phone system.

When to Use Phone Activation

Phone activation is your best option when:

Online activation fails with error codes like 0xC004C003 or 0xC004F074
You've made significant hardware changes to your PC
Your internet connection is unstable or unavailable
You're reactivating after a motherboard replacement
The activation servers are temporarily unavailable
You've transferred your license to a new computer

Before You Start

Make sure you have these ready:

Valid Product Key

A genuine Windows 11 product key (25 characters)

Phone Access

A phone to call Microsoft's activation line

Installation ID

You'll generate this during the process

15-20 Minutes

Time to complete the activation process

How to Find Your Installation ID

The Installation ID is a 63-digit number generated by Windows. Here's how to get it:

1Method 1: Using SLUI Command

1.Press Windows + R to open Run dialog
2.Type slui 4 and press Enter
3.Select your country/region from the dropdown
4.Click Next to see your Installation ID
5.The 63-digit Installation ID will be displayed in 9 groups

2Method 2: Using Command Prompt

1.Right-click Start and select 'Terminal (Admin)'
2.Type: slmgr /dti and press Enter
3.A dialog will appear with your Installation ID
4.Write down all 9 groups of numbers

3Method 3: Through Settings

1.Open Settings (Windows + I)
2.Go to System > Activation
3.Click 'Activate by phone'
4.Select your country/region
5.Your Installation ID will be displayed

Microsoft Activation Phone Numbers

Call the toll-free number for your country:

United States

1-888-571-2048(Toll-free)

United Kingdom

0800-018-8354(Toll-free)

Canada

1-888-571-2048(Toll-free)

Australia

1-800-642-903(Toll-free)

Germany

0800-284-8283(Toll-free)

France

0805-540-111(Toll-free)

Spain

900-150-889(Toll-free)

Mexico

001-888-571-2048(Toll-free)

Brazil

0800-761-7454(Toll-free)

India

1800-102-1100(Toll-free)

For other countries, visit microsoft.com/activate or use the SLUI 4 command to see your local number.

Step-by-Step Phone Activation Process

Open Activation Dialog

Press Windows + R, type slui 4, and press Enter. This opens the phone activation wizard.

Make sure you're logged in with administrator privileges.

Select Your Country

Choose your country or region from the dropdown list. This determines which toll-free number to call.

Select the country where you're currently located for the best connection.

Note Your Installation ID

Write down or photograph the 63-digit Installation ID displayed in 9 groups of 7 digits.

Double-check each group to avoid errors during the call.

Call the Activation Number

Call the toll-free number shown for your country. The automated system will guide you through the process.

Call during business hours if you might need to speak with a representative.

Enter Your Installation ID

Using your phone keypad, enter each group of 7 digits when prompted. The system will read them back for confirmation.

Speak clearly or use the keypad. Press # after each group if using voice.

Receive Confirmation ID

The automated system will provide a Confirmation ID. Write down all 8 groups of 6 digits (48 digits total).

Ask the system to repeat if needed. You can press * to hear a group again.

Enter Confirmation ID

Back on your computer, enter the Confirmation ID in the corresponding boxes and click 'Activate Windows'.

Enter each 6-digit group in the correct box.

Verify Activation

Windows will confirm successful activation. You can verify by checking Settings > System > Activation.

Restart your computer to ensure all activation features are enabled.

Speaking to a Microsoft Representative

If the automated system can't help, you can reach a human operator:

1Say 'Representative' or press 0 multiple times during the automated prompts
2Explain that you need help with Windows activation
3Provide your Installation ID when asked
4The representative may ask about your hardware changes
5They'll provide a Confirmation ID after verification

Human operators are available during business hours in your region. Wait times may vary.

Troubleshooting Common Issues

Installation ID Not Generating

Possible causes:

Product key not entered
Corrupted Windows installation
System file issues

Solutions:

First enter your product key: Settings > System > Activation > Change product key
Run System File Checker: sfc /scannow in elevated Command Prompt
Try the alternative methods (SLUI 4 or slmgr /dti)

Confirmation ID Invalid

Possible causes:

Incorrect entry
Wrong Installation ID provided
Key already used

Solutions:

Double-check each digit group you entered
Start over and regenerate a new Installation ID
Contact Microsoft support if the key has been used on another device

Automated System Doesn't Understand

Possible causes:

Background noise
Accent recognition issues
Phone quality

Solutions:

Use the phone keypad instead of voice input
Move to a quieter location
Request to speak with a human representative

Activation Still Fails After Phone Activation

Possible causes:

Hardware mismatch
License type restrictions
Server sync delay

Solutions:

Restart your computer and check activation status
Wait 24 hours for servers to sync
Contact Microsoft support with your case details

Useful Activation Commands

Run these in Terminal (Admin) or Command Prompt (Admin):

slui 4Open phone activation wizard

slmgr /dtiDisplay Installation ID

slmgr /atoAttempt online activation

slmgr /xprCheck activation expiration

slmgr /dlvDisplay detailed license info

slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXXInstall a product key

Frequently Asked Questions

Is phone activation free?

Yes, Microsoft's phone activation service is completely free. The phone numbers provided are toll-free, so you won't be charged for the call.

How long does phone activation take?

The entire process typically takes 10-20 minutes. The automated system is available 24/7, though wait times for human representatives vary by region and time.

Can I use phone activation for any Windows 11 license?

Phone activation works for Retail and Volume licenses. OEM licenses tied to specific hardware may have restrictions when transferred to new hardware.

What if I don't have the original product key?

You need a valid product key to generate an Installation ID. If you've lost your key, check your Microsoft account, original packaging, or use a key finder tool for keys embedded in your system.

Can I activate Windows 11 by phone after a motherboard change?

Yes, phone activation is ideal for hardware changes. If using a Retail license, activation should work. OEM licenses may require purchasing a new license for significant hardware changes.

Is phone activation available in all countries?

Microsoft provides phone activation in most countries. Use the SLUI 4 command to see the available number for your region, or visit microsoft.com/activate for a complete list.

What's the difference between Installation ID and Confirmation ID?

The Installation ID (63 digits) is generated by your Windows installation. The Confirmation ID (48 digits) is provided by Microsoft after verifying your Installation ID and is used to complete activation.

Can I use the same Confirmation ID multiple times?

No, each Confirmation ID is unique to a specific Installation ID and can only be used once. If you reinstall Windows, you'll need to go through the phone activation process again.

Related Windows 11 Guides

Activate with Product Key

View all Windows 11 guides

Need a Windows 11 Product Key?

Get a genuine Windows 11 Pro lifetime activation key with instant delivery and 24/7 support.

Get Windows 11 Pro Key