# Installation of FreeFem++ . mpi and parrallel computations in FreeFem v4.15 **URL:** \ **Category:** FreeFEM installation\ **Created:** [February 21, 2025, 9:04am UTC](https://community.freefem.org/t/installation-of-freefem-mpi-and-parrallel-computations-in-freefem-v4-15/3764 "2025-02-21T09:04:00Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Monirul25](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/monirul25/32/3287_2.png) [@Monirul25](https://community.freefem.org/u/Monirul25)\ **Post date:** [February 21, 2025, 9:04am UTC](https://community.freefem.org/t/installation-of-freefem-mpi-and-parrallel-computations-in-freefem-v4-15/3764/1 "2025-02-21T09:04:00Z")
Dear all, is here anyone who using FreeFem++ . mpi in windows 10 or 11. I have couple of Questions. 1. FreeFem++.mpi is already showing when i installed freefem++ but it is not opening. I don’t know why. Here, you can see 2. Usually, i use notepad++ to write FreeFem++ codes. But if i used FreeFem++.mpi for parrallel computation then where i can write and edit my codes. Please help. I am very beginner to this. I am facing too much difficulties in installation and run the demo codes in windows11. Thanks in adavance. ---
**Author:** ![jmorvan](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/jmorvan/32/2928_2.png) [@jmorvan](https://community.freefem.org/u/jmorvan)\ **Post date:** [February 21, 2025, 1:51pm UTC](https://community.freefem.org/t/installation-of-freefem-mpi-and-parrallel-computations-in-freefem-v4-15/3764/2 "2025-02-21T13:51:30Z")
Dear Monirul, You should consider watching the introduction to parallel FreeFEM by professor Pierre Jolivet on youtube in the following link: [FreeFemTutorial](https://www.youtube.com/watch?v=-Aw2O46V2bo&t=6422s) It’ll certainly answer your questions. Best regards. ---
**Author:** ![Monirul25](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/monirul25/32/3287_2.png) [@Monirul25](https://community.freefem.org/u/Monirul25)\ **Post date:** [February 22, 2025, 3:34am UTC](https://community.freefem.org/t/installation-of-freefem-mpi-and-parrallel-computations-in-freefem-v4-15/3764/3 "2025-02-22T03:34:45Z")
Thanks you so much. Can you tell which software prj sir used in the video to write the codes. I have seen code are running from comand promt in window 10. But i need the software where sir was editing the code?. Please let me know brother. I think it is not notepad++. ---
**Author:** ![jmorvan](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/jmorvan/32/2928_2.png) [@jmorvan](https://community.freefem.org/u/jmorvan)\ **Post date:** [February 23, 2025, 11:41pm UTC](https://community.freefem.org/t/installation-of-freefem-mpi-and-parrallel-computations-in-freefem-v4-15/3764/4 "2025-02-23T23:41:04Z")
Yes, use the prompt command to run your codes as shown in the tutorial. I don’t know which text editor he uses in the video, it’s not really relevant. You may try vs code, it offers a freefem package. Best regards ---
**Author:** ![Monirul25](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/monirul25/32/3287_2.png) [@Monirul25](https://community.freefem.org/u/Monirul25)\ **Post date:** [February 24, 2025, 5:19am UTC](https://community.freefem.org/t/installation-of-freefem-mpi-and-parrallel-computations-in-freefem-v4-15/3764/5 "2025-02-24T05:19:16Z")
Thanks brother for your replies. Your replies help me lot. Can tell me the following brother: **I need a demo example in parrallel computation in which L^2-error and order of convergence are computed (for example, heat-3d-PETSc.edp). I am struggling with this brother. Can you help me??. Prj sir told to see demo examples but i have not found any demo such example in github hpddm.** Thanks in advance.