If you have a legitimate license, follow these official steps to activate your copy of Windows Vista: : Click Start , right-click Computer , and select Properties . Scroll to the bottom and click Activate Windows .
Click and type slui 4 in the search box, then press Enter. windows-vista-genuine-activator-free-download
Enter your (found on your COA sticker or in your purchase confirmation email). If you have a legitimate license, follow these
: If online activation fails, you can use the automated phone system: If you have a legitimate license
Run the command slmgr /ato to trigger the activation process.