Step 4 Now Click on Use the Automated Phone System and select the location and then click Next. Step 5 You will get an automated Computer generated call now note down Confirmation ID. Step 6 Now provide confirmation ID no. Windows 7. Ok now, enough talking about Activation of Windows 7 let me give you some Working Windows 7 Professional Product keys. Window 7 Professional Product Key 3. X2. Y6 2. R9. QV ME2. FY 8. MJ3. B 4. CQB8. DF6. YR DFEXQ WR8. LA STH4. 3 QYR5. NFDJK4. J 8. GTSF R9. QY SR8. Battlefield 4 Premium Code Free Ps3 Codes. OS 3. KGTF4. RFLJ FH8. S 3. TYPD KLPEW UYOR5. VYL8. D JFXE8 RNGH9 UT8. E XRTD9. Window 7 Professional Product Key 6. AXBS6 LR9. OV MEYF5 RMJB9 UCRT2. PSF6. YR DEVX1 WSSL4 STPO3 QEX5. PWDJK4. J XGTS3 RY4. TY REHO2 3. CSTFPRFLJ FHDX4 PRXP6 KLUR7 UYOR5. HYKI5 LITF8 RESH9 UTXV6 XLWQ8. These above mentioned serial keys are working fine but in case if you are unable to find properly working Windows 7 Activation key, you can drop me a mail at adminitechgyan. If above mentioned Windows Activation keys are not working or outdated then you can find here some updated keys for windows 7. FJH3. 8 9. YYTR 3. RHFDJ KSFDH PPTR5. DSLJK HFZZY 5. VVMN 5. RR4. D KFHJDHAADR MMBN2 3. GHHD JSHER UITY3. EETX KKPS5 9. AASD KSMZ2 HHT2. SSD7. 8 4. 9RPO IREIU T8. KKTT7. ZM4. MN VJKD FGHKJ LSAJF CCVY2. WEOPT UIORE TY8. NCVM2. BBWE OP7. IRPO 5. WUI RPIO7. UPDATE This above product keys has been used by so many users so just try your luck if you can still find some working key other you can drop a mail on adminitechgyan with subject WINDOWS KEY and we will respond you as soon as possible. Source Microsoft. Windows 7 Professional Product Key for 3.