if necessary. If you plan on wiping your current computer's hard drive to install Windows 7, consider backing up your computer's files to a hard drive before proceeding. In order to download the Windows 7 installation file (ISO), you'll need to enter your Windows 7 product key on the Microsoft website.  The product key is typically found on your Windows 7 installation disc's packaging. If you installed Windows 7 on a different computer, you can find the product key there. The product key that accompanies most computers which have Windows 7 pre-installed is not considered a valid key by Microsoft. Buy or find a USB 3.0 flash drive that can store at least 8 gigabytes of information. This is the pen drive you'll use to install Windows 7. Microsoft has a dedicated USB creation tool that you can use to burn your Windows 7 installation file onto a flash drive:  Go to the Windows USB creation tool page. Click Download in the lower-right side of the page. Check the box next to your installation language (e.g., the one ending in "US" for English). Click Next in the bottom-right side of the page to prompt the download to begin. Install the tool by double-clicking the downloaded file and following the on-screen prompts. if you like. If you want to install Windows 7 without removing the currently installed operating system, you can create a space (or "partition") for your Windows 7 installation on your hard drive. You'll use the built-in Disk Management program to do this.  Make sure your hard drive has enough space on it for you to do this. You should have at least 50 gigabytes of free space for Windows 7, though 100 gigabytes or more is preferred.  You can also buy an external hard drive and install Windows 7 onto it. The BIOS key is the key you'll need to press when restarting your computer in order to open the BIOS, which is a crucial step in installing Windows 7. To find your computer's specific BIOS key, do the following:  Find your computer's manufacturer name. Open a search engine (e.g., Google). Type in your computer's manufacturer name followed by "bios key", then press ↵ Enter. Open a result from the manufacturer's website. Determine which key your computer uses by looking for your computer's model number if necessary. You can find your computer's model number by right-clicking the Start icon, clicking System, and looking at the number directly under "Device specifications".
अगर जरूरी हो तो, अपने कंप्यूटर की फ़ाइल को बैकअप करें: विंडोज 7 की प्रॉडक्ट की (key) को खोजें: एक यूएसबी फ्लैश ड्राइव लें: USB creation tool को डाउनलोड और इन्स्टाल करें: अगर चाहें तो, हार्ड ड्राइव को पारटिशन (partition) करें: अपने कंप्यूटर की BIOS की (key) पता करें: