Or you can also use Command Prompt to help you have a check: Run Command Prompt as administrator > type “ wmic path softwarelicensingservice get OA3xOriginalProductKey” and press Enter.ģ. Download Windows 7 from the Microsoft page. Click Start > type 'system' in the search box > click System Information to check it.Ģ. Find the product key. For a laptop, you can find the 25-character key on the bottom of your computer. Replace the “ x” with the drive number of the USB flash drive where you can find in the “list disk” command.ġ. Confirm the bit number. Insert the USB flash drive, run Command Prompt window as an administrator.ģ. Enter the following commands one by one and wait for each step to complete. It will need your Windows 7 product key and a blank USB flash drive. The whole process is as follows: Here in this part, you will learn the detailed steps to install Windows 7 without CD. Now you have backed up the important computer data, just check the following part to see how to install Windows 7 without CD or USB. When you sign up for an AOMEI account, it will give you 1TB of free storage space for 15 days.

When you choose the backup destination path, if you are worried about running out of local disk memory or afraid of the risk of data loss if the disk is accidentally damaged or lost in the future, then you can also choose to backup your files to AOMEI Cloud. Choose the destination path to save the backup image and click Start Backup. Click Add File or Add Folder to choose the data you want to backup. Click Backup and choose one option to continue. Run the tool and plug in your USB drive if you want to save the backup to it.

Windows 7 installer