Usage on DigitalOcean
Step 1 - Create Ubuntu VPS on DigitalOcean
Login to DO account then click Create -> Droplets
Choose your prefer location and on Images make sure you select Ubuntu one
Choose Password authentication method
Then Create the Droplet
After Droplet created successfully, move to step 2, connect to Ubuntu VPS with choosen password and run install command.
Step 2 - Install Windows on VPS
Check below link to continue install windows on VPS which created above