►First up all you will need a license file generator which you will get here.
Run the keygen;
► After opening keygen enter digit "2" next to the "Select License Type:"
and hit Enter. If you wish any different choice you may go for it.
►It will create two ".lic" files in that folder, and that is what u wanted.
►Now open "NI License Manager" by navigating to;
"Start(Windows key)">"All Programs">"National Instruments">"NI License Manager"
►And Navigate to "Install License File..." as shown in the following image...
►Navigate to the License files, select both files and open them.
►If it asks for rewrite previously installed License click "Yes", but if it Don't no matter.
►close everything and now open up "NI Multisim 11.0.1".
You have done it.
the image must like above one.
►Cheerssssssss..... ►Post comments if u still have any Doubts.