There are some free and paid softwares with wich you can turn your windows 7 pc into a wirelss hotspot, but are not so good or they didn’t satisfied my needs.
With 2 lines of code you can make from your windows 7 pc a wi-fi hotspot for free. This is usefull if you have tablets or phones and you want to share the internet connection at home or at the office and you don’t have a wireless router.
Run cmd and type 2 commands
Only the first time you have to share your internet LAN connection to your new wireless connection as picture below
and that’s it! Your free windows 7 wi-fi hotspot. No software required.
P.S.: You can start your wireless free hotspot on windows 7 with just one line of code