Downloading SP1 from the Microsoft website xbased bit: 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. Follow the instructions to install the update. To manually install SP1 from Windows Update: In the left pane, select Check for updates. If any important updates are found, select the link to view available updates. 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 confirm your choice.
Not an upgrade version The key is new and has never been installed on any computer. Genuine and unregistered product key. Will install on self built or custom built unbranded machines. Retail packaging is NOT included. OEM Software - Microsoft's Distribution Agreement for System Builders states that the system builder software packs are not intended for distribution to end users unless the end users are acting as system builders by assembling their own PCs. A "system builder" is anyone who assembles, reassembles or installs software on a new or used computer system.
Simply using Windows over windows 7 pro sp1 64 bit will eventually degrade its performance. Of course, there are many unofficial sources but the files have often been cracked, tampered with or altered in some way. Using a trusted source for the download is the preferable option. The best way to guarantee you are getting a clean and untouched Windows ISO image is by going directly to Microsoft themselves. It used to be easy to download Windows 7 ISO images until they were all removed from Digital River after sales of Windows 7 were discontinued in