1) Download the appropriate Windows 7 .ISO file which includes Service Pack 1
(Note: must match what your product key version is for)
I have the Lenovo Ideapad Z570. And I have a legal windows 7 home premium OA 64-bit on it. (i have the serial key in the back of the computer) now, I want to format my computer and install the windows again. BUT I don't have the CD. (I didn't receive a CD) so I want to download the windows 7 from the internet, and then insert my serial number.
- Microsoft Windows 7 Home Premium is a complete operating system with better security and improved performance to fulfill the basic needs. This free download of Home Premium is the complete standalone ISO Image installer for genuine OEM version for both 32bit and 64bit architecture.
- Windows 7 Home Premium ISO is awesome looks,features and stability also.Windows 7 Home Premium ISO Download Free For 32-bit and 64-Bit. Features of Getintopc Windows 7 Home Premium: features Windows 7 Home Premium ISO Download Free 32 Bit 64 Bit.
Windows 7 Home Premium 64 Bit Download
Windows 7 Home Premium 64Bit: http://msft.digitalrivercontent.net/win/X17-58997.iso
SHA1 Hash value: 6c9058389c1e2e5122b7c933275f963edf1c07b9
2) After downloading the correct .iso file install HashCalc and validate the SHA1 hash value
is correct.
HashCalc: http://www.slavasoft.com/hashcalc/index.htm
(note: If the download is not corrupt, the value HashCalc returns will match the SHA1 value I posted)
a) Launch HashCalc and navigate to the location of the .iso file you downloaded.
(The default download location is: C:UsersUser account nameDownloads)
b) Remove all check marks from the list of HashCalc options except for SHA1.
c) Click the ‘Calculate’ button and wait for the SHA1 string of letters and number to be displayed.
3) Next use ImgBurn (or Gear ISO) to create a bootable DVD.
Note: Skip to step #4 to create a bootable Flash / Thumb drive.
Choose the “Custom Installation (advanced)” option and remove the check mark(s)
to eliminate unwanted options.
ImgBurn - In addition to supporting the creation of Cds/DVDs from .ISO files,
it supports a wide range of other image file formats, and it's free.
(BIN, CUE, DI, DVD, GI, IMG, MDS, NRG, PDI and ISO)
http://www.imgburn.com/
Screen shots to help you use ImgBurn: http://www.imgburn.com/index.php?act=screenshots
Burning ISO Images with ImgBurn article: http://neosmart.net/wiki/display/G/Burning+ISO+Images+with+ImgBurn
(The steps are the same for Windows 7 or Windows 8), except you are not creating a Repair disc but a full installation DVD)
Note: Always use high quality DVD+R media and the slowest burn speed (4x or 6x) if offered a choice.
64-bit Java
4) For instructions on creating a bootable USB Flash drive to install Windows 7:
Read: http://www.sevenforums.com/tutorials/2432-usb-windows-7-installation-key-drive-create.html
Or: http://arstechnica.com/business/2009/12/the-usb-flash-drive/
Optional software to create a Bootable Windows 7 DVD
http://support.microsoft.com/default.aspx/kb/977640
What Is 64-bit
J W Stuart: http://www.pagestart.com