Installing Windows 7 SP1 using Windows Update (recommended) 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. You can temporarily disable your antivirus software before the installation. Some antivirus software might prevent SP1 from installing or slow down the installation. Make sure your PC is plugged in to power and you’re connected to the Internet. It’s a good idea to back up your important files, photos, and videos to an external hard disk, USB flash drive, or the cloud before installing the update. Disk space requirementsĬheck to make sure your PC has enough free disk space to install SP1.Įstimated amount of free disk space neededĭownloading SP1 from the Microsoft website The version of Windows 7 is displayed next to System type. Select the Start button, right-click Computer, and then select Properties. You’ll need to know if your PC is running a 32-bit (x86) or 64-bit (圆4) version of Windows 7.

Before you begin Check if your PC is 32-bit or 64-bit If Service Pack 1 is listed under Windows edition, SP1 is already installed on your PC. To check if Windows 7 SP1 is already installed on your PC, select the Start button, right-click Computer, and then select Properties. It takes about 30 minutes to install, and you'll need to restart your computer about halfway through the installation. The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Support for Windows 7 ended on January 14, 2020

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