It is requested to Activate this Product key within 2 days after delivery to you. If you already installed Windows 7 Ultimate, Then just Change product Key from activation section in the presence of internet connection on your device. If unable to activate windows on the first attempt, then restart pc, then connect the internet & try to activate again. if still not working, then download & install Windows 7 Ultimate from below given link.
If required Download Windows 7 Ultimate from here:

64 Bit- CLICK HERE to download

32 Bit- CLICK HERE to download

OR Check Here to download windows 7 ultimate 64bit (Fast Speed) Visit & click on Windows 7 Ultimate (x64)

This is 1PC Key, If you try to activate on more the one PC then license key will be blocked automatically permanently & in such case we can not help you. So be careful.

If you are going to install windows, So Just install the trial version of windows without using the key, select I don’t have a product key option and install the trial version of Windows 7 Ultimate. After installation connects your PC with the internet and then use the given key and it will work.
it’s a digital license, So no Physical Courier Parcel will be provided.
For any help send us an email. If you have any other license requirements, Mail us- cs.contact@dailysoft.in
Win Offer on Next Order on Minimum Spend Rs 749: Use Coupon – GIFT5
Thanks & Regards         
Dailysoft Team