This is from lavteam, posted by motaleby:
0- install Sentinel LM v8.5 Server
1- Right click on My Computer
2- Properties
3- Advanced System Setting
4- Avanced
5- Environment Variables...
6- Click on New... just below the "System Variable" box
7- Write LSHOST in the "variable name" and your computer name in the "variable value"
8- Go to downloaded aspenone 8.6 folder and find WlmAdmin.exe in it
(xidau123_AspenONEV8.6\install_Sentinel.LM.8.5.1.S erver\Tools)
9- Run WlmAdmin.exe
10- click on "Subnet Servers" from the left pannel. To expand it press +
11- find your computer name and right click on it
12- Add Feature
13- From File
14- to Server
15- point to the license file (LSERVRC.txt)
16- 737 license (approx. 85% of v8.6) will be added (it takes several minutes)
17- Install aspenONE v8.6
18- choose your desired products and location
19- when installation asks about license, do not point to the license file even standalone or server. just click Next
20- finish