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The recommended (và easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel & wait for Windows 7 to notify you that SP1 is ready to lớn install. It takes about 30 minutes to install, và you"ll need lớn restart your computer about halfway through the installation.

To check if Windows 7 SP1 is already installed on your PC, select the Start button, right-click Computer, & then select Properties.If Service Pack 1 is listed under Windows edition, SP1 is already installed on your PC.

Before you begin

Cheông xã if your PC is 32-bit or 64-bit

You’ll need lớn know if your PC is running a 32-bit (x86) or 64-bit (x64) version of Windows 7. Select the Start button, right-cliông xã Computer, và then select Properties. The version of Windows 7 is displayed next to System type.

Disk space requirements

Check khổng lồ make sure your PC has enough không lấy phí disk space to install SP1.


Installation method

Estimated amount of miễn phí disk space needed

Windows update

x86-based (32-bit): 750 MB

x64-based (64-bit): 1050 MB

Downloading SP1 from the website

x86-based (32-bit): 4100 MB

x64-based (64-bit): 7400 MB


Baông chồng up important files

It’s a good idea khổng lồ bachồng up your important files, photos, & videos to an external hard disk, USB flash drive sầu, or the cloud before installing the update.

Plug in and connect to lớn the Internet

Make sure your PC is plugged in to lớn power and you’re connected lớn the Internet.

Disable antivirus software

Some antivirut software might prevent SP1 from installing or slow down the installation. You can temporarily disable your antivirus software before the installation. If you do so, make sure you’re aware of the risks that might be involved and re-enable the antivirus software as soon as SP1 is done installing.

Installing Windows 7 SP1 using Windows Update (recommended)

If your PC is phối to automatically install updates, you’ll be prompted by Windows Update to lớn install SP1. Follow the instructions to lớn install the update.

To manually install SP1 from Windows Update:

Select the Start button > All programs > Windows Update.

In the left pane, select Check for updates.

If any important updates are found, select the liên kết to lớn view available updates. In the menu of updates, select Service Paông xã for Windows (KB976932) & then select OK.

Note: If SP1 isn’t listed, you might need to lớn install some other updates before installing SP1. Install any important updates và then follow these steps again khổng lồ check for SP1.

Select Install updates.

 You might be asked for an admin password or khổng lồ confirm your choice.

Follow the instructions khổng lồ install SP1.

After SP1 is installed, sign in to your PC. You might see a notification indicating whether the update was successful. If you disabled your antivi khuẩn software before the installation, make sure you turn it baông xã on.

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Downloading và installing Windows SP1 from the Download Center

If you’re unable to lớn install SP1 from Windows Update, you can tải về the installation package from the Download Center and then install SP1 manually.

Select Install Instructions lớn see which packages are available for download, & make note of the one that you need.

Select the appropriate language from the drop-down danh mục, & then select Download.

Select the packages you need khổng lồ install, select Next, và then follow the instructions lớn install SP1. Your PC might restart a few times during the installation.

After SP1 is installed, sign in khổng lồ your PC. You might see a notification indicating whether the update was successful. If you disabled your antivirus software before the installation, make sure you turn it baông chồng on.

Troubleshoot problems installing Windows SP1

If you try to lớn install SP1 & see an error message that the installation wasn’t successful, this might be because there’s a problem with the Windows Servicing Store that is used to lớn install updates or because your antivirus software is preventing the update from being installed.

To try và fix the problem, follow these steps and then try lớn install SP1 again.

Download & run the System Update Readiness Tool

To install the tool immediately, select Open or Run và then follow the instructions. To use the tool later, select Save và tải về the installation files khổng lồ your PC.

On the Windows Update Standalone Installer screen, select Yes or OK.

On the Installation complete screen, select Close.

Try installing the service paông chồng again.

Run the Windows Update troubleshooter

If your PC isn’t able to find or install updates, the Windows Update troubleshooter might be able to lớn fix the problem.

Select the Start button, & then select Control Panel.

In the search box, enter troubleshooter and then select Troubleshooting from the menu of results.

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Under System và Security, select Fix problems with Windows Update & then follow the instructions.

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