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The recommended (và easiest) way khổng lồ get SP1 is lớn turn on automatic updating in Windows Update in Control Panel và wait for Windows 7 to notify you that SP1 is ready lớn install. It takes about 30 minutes to install, và you"ll need to 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-clichồng Computer, và then select Properties.If Service Pachồng 1 is listed under Windows edition, SP1 is already installed on your PC.

Before you begin

Cheông chồng 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-clichồng Computer, & then select Properties. The version of Windows 7 is displayed next khổng lồ System type.

Disk space requirements

Cheông chồng lớn make sure your PC has enough không lấy phí disk space to lớn install SP1.


Installation method

Estimated amount of không tính 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


Bachồng up important files

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

Plug in và connect lớn the Internet

Make sure your PC is plugged in to power và you’re connected khổng lồ the Internet.

Disable antivi khuẩn 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 vị so, make sure you’re aware of the risks that might be involved & re-enable the antivirut software as soon as SP1 is done installing.

Installing Windows 7 SP1 using Windows Update (recommended)

If your PC is set lớn automatically install updates, you’ll be prompted by Windows Update to 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 chồng for updates.

If any important updates are found, select the liên kết khổng lồ view available updates. In the các mục of updates, select Service Pachồng for Windows (KB976932) & 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 & then follow these steps again to lớn kiểm tra for SP1.

Select Install updates.

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

Follow the instructions lớn install SP1.

After SP1 is installed, sign in lớn 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 & installing Windows SP1 from the Download Center

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

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

Select the appropriate language from the drop-down menu, and then select Download.

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

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

Troubleshoot problems installing Windows SP1

If you try lớn 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 antivirut software is preventing the update from being installed.

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

Download & run the System Update Readiness Tool

To install the tool immediately, select Open or Run & then follow the instructions. To use the tool later, select Save and download the installation files 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 find or install updates, the Windows Update troubleshooter might be able to fix the problem.

Select the Start button, and then select Control Panel.

In the search box, enter troubleshooter và then select Troubleshooting from the list of results.

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