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The recommended (and easiest) way to get SP1 is lớn turn on automatic updating in Windows Update in Control Panel và wait for Windows 7 to lớn notify you that SP1 is ready to lớn install. It takes about 30 minutes lớn install, and 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

Check 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-click Computer, and then select Properties. The version of Windows 7 is displayed next to System type.

Disk space requirements

Check to lớn make sure your PC has enough không tính tiền disk space to install SP1.


Installation method

Estimated amount of không tính tiền 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


Back up important files

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

Plug in và connect lớn the Internet

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

Disable antivirus software

Some antivirus software might prevent SP1 from installing or slow down the installation. You can temporarily disable your antivirus software before the installation. If you vày 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 set to automatically install updates, you’ll be prompted by Windows Update to install SP1. Follow the instructions khổng lồ 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 view available updates. In the các mục of updates, select Service Pack for Windows (KB976932) và then select OK.

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

Select Install updates.

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

Follow the instructions to 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 back on.

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Downloading và installing Windows SP1 from the tải về Center

If you’re unable khổng lồ install SP1 from Windows Update, you can download the installation package from the download Center & then install SP1 manually.

Select Install Instructions to see which packages are available for download, and make lưu ý of the one that you need.

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

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

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 back 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 to lớn install SP1 again.

Download và 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 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 pack again.

Run the Windows Update troubleshooter

If your PC isn’t able lớn 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 and then select Troubleshooting from the danh mục of results.

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