1) Create New Project ("WindowsService")
2) Open Service1.cs => press f4 key
you will see property of service1.cs
3) Below Property box you will see Add Installer Option => Click there
you will see ProjectInstaller.cs file in solution explorer
4) Now open ProjectInstaller.cs
you will see two option there
one is serviceProcessInstaller1
second is serviceInstaller1
5) Right click on serviceInstaller1 and select property
in property box set StartType = Manual
6) Now build your solution
7) Now , go to All programe => visual studio => visual studio tools => visual studio command prompt , Right click there Run As Administrator
8) go your Root path where your project located
now type this line C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\InstallUtil.exe or InstallUtil.exe
then type windowservice.exe
give Enter
9) Now Press Win+R key and type services.msc
Find Service Name windowservice.exe
Right click on it and Start it.