Click 'Start' -> In 'All Programs', select 'Windows Anytime Upgrade' -> Click 'Enter Upgrade Key'. A key input box will appear; enter a valid Ultimate edition key and confirm. The upgrade process takes about 10 minutes, and all your data remains intact! You don't need to purchase anything—just find an Ultimate edition key online! To access Windows Anytime Upgrade, click the 'Start' button. In the search box, type 'anytime upgrade', then click on 'Windows Anytime Upgrade' from the results list.
Here are some keys you can try: 49PB6-6BJ6Y-KHGCQ-7DDY6-TF7CD --- xxxxx-OEM-8992662-00015 --- SAMSUNG 342DG-6YJR8-X92GV-V7DCV-P4K27 --- xxxxx-OEM-8992662-00400 --- DELL 22TKD-F8XX6-YG69F-9M66D-PMJBM --- xxxxx-OEM-8992662-00497 --- IBM-LENOVO 联想 6K2KY-BFH24-PJW6W-9GK29-TMPWP-----lenovo New Key: 236TW-X778T-8MV9F-937GT-QVKBB 87VT2-FY2XW-F7K39-W3T8R-XMFGF KH2J9-PC326-T44D4-39H6V-TVPBY Keys for Windows 7 Ultimate Edition (OEM Keys): Windows 7 Professional OEM Key: YKHFT-KW986-GK4PY-FDWYH-7TP9F Home Premium Serial Number: VQB3X-Q3KP8-WJ2H8-R6B6D - 7QJB7 Professional Serial Number: YKHFT-KW986-GK4PY-FDWYH - 7TP9F Ultimate Serial Number: 22TKD-F8XX6-YG69F - 9M66D - PMJBM. The following numbers can be upgraded: HOME PREM(OEM)===================== vqb3x-q3kp8-wj2h8-rbqjb---***xx-oem--8992685---00006---ACER/GATEWAY/PACKARD BELL... and more.