r studio 1.1.456 is compatible with which version of windows?
Have you looked at the information on the download page (https://www.rstudio.com/products/rstudio/download/#download), and/or in this support article (https://support.rstudio.com/hc/en-us/articles/221933928-What-operating-systems-are-the-RStudio-products-supported-on-)?