The labor cost to install Windows can vary depending on the contractor, the size of the project, and the region. Typically, contractors will charge anywhere from $50 per hour to $200 per hour for labor costs. However, it is important to remember that this price does not include the cost of the Windows software itself.

There is no one-size-fits-all answer to this question, as the cost of labor to install Windows will vary depending on factors such as the size of the installation and the qualifications/experience of the installer. However, in general, the cost of labor to install Windows should not exceed $100 per hour.