Download and install Node JS on your devices
Download and Install .NET
Download Source Code Project
Create New folder on desktop name it with your project.
Extract source code files in to your project
Access with terminal run 'cd C:\Users\pcname\Desktop\yourproject' change pcname with your pc name and change yourproject with your new project.
Run Project dotnet watch run
Open localhost:5000
For stop , you can presh ctrl+C

Create account on github
Create new repo and name it with your project
Visit your github repo and copy paste all command on your project folder in to your terminal.
run this command git init && git add . && git commit -m "my first commit" && git remote add origin https://github.com/username/myrepo git push -u origin main need to change username with your github username , and myrepo with your repo project name , and main with your github repo default branch for example main or master - check on your github repo.

Build your project as production mode, run this command dotnet publish -c Release -o website
Create account on netlify vercel firebase surge and others modern host.
Upload production folder in to your repo or host.
Create new project in to your host and integration with your git repo project.

Detail documentation and live source code online , you can visit here :

https://www.hockeycomputindo.com/2022/10/blazor-wasm-landing-page-webassembly.html