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

To kiểm tra if Windows 7 SP1 is already installed on your PC, select the Start button, right-cliông xã Computer, and then select Properties.If Service Paông chồng 1 is listed under Windows edition, SP1 is already installed on your PC.

Before you begin

Chechồng if your PC is 32-bit or 64-bit

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

Disk space requirements

Check to lớn make sure your PC has enough miễn phí disk space to lớn 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 lớn an external hard disk, USB flash drive, or the cloud before installing the update.

Plug in & connect to the Internet

Make sure your PC is plugged in to lớn power & you’re connected to 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 và re-enable the antivirut 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 lớn install SP1. Follow the instructions lớn install the update.

To manually install SP1 from Windows Update:

Select the Start button > All programs > Windows Update.

In the left pane, select Cheông xã for updates.

If any important updates are found, select the links lớn view available updates. In the danh mục of updates, select Service Pachồng for Windows (KB976932) and then select OK.

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

Select Install updates.

 You might be asked for an admin password or to lớn confirm your choice.

Follow the instructions to 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 antivirus software before the installation, make sure you turn it bachồng on.

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Downloading and installing Windows SP1 from the Download Center

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

Select Install Instructions to lớn see which packages are available for tải về, và make note of the one that you need.

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

Select the packages you need khổng lồ install, select Next, & then follow the instructions khổng lồ 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 antivi khuẩn software before the installation, make sure you turn it back on.

Troubleshoot problems installing Windows SP1

If you try to install SP1 and 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 & fix the problem, follow these steps & then try khổng lồ install SP1 again.

Download & run the System Update Readiness Tool

To install the tool immediately, select Open or Run and then follow the instructions. To use the tool later, select Save and tải về the installation files to lớn 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 xã again.

Run the Windows Update troubleshooter

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

Select the Start button, và then select Control Panel.

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

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