Update README.md

README.md

@@ -51,23 +51,12 @@ ftp://ftpint.usgs.gov/private/cr/co/lakewood/tmills/wqReviewSetup.exe
 
 R must be run in 32-bit mode to use the ODBC driver. Open R-studio and click Tools-Global Options on the top toolbar. Under "General" in the global options dialog, you will see "R version:" at the top. Click "Change" next to the R version and select "Use your machine's default version of R (32 bit)" to change to 32-bit R. R-studio will need to restart after doing this.
 
-##Step 2. Install the "devtools" package for installing WQ-Review directly from Github.
-
-Open R-studio in 32-bit mode if it is not already open and type the following command in the console:
-```R
-install.packages(c("curl","devtools"))
-```
-This will install the devtools package on your machine. 
-
-If an error appears about "Rtools not installed", ignore this message, Rtools is not required for the devtools functions you will use.
-
-##Step 3. Install the WQ-Review package from Github.
+##Step 2. Install the WQ-Review package from GRAN.
 
 Open R-studio in 32-bit mode if it is not already open and type the following commands in the console:
 
 ```R
-library(devtools)
-install_github("USGS-R/WQ-Review",build_vignettes = TRUE)
+install.packages("WQReview", repos=c("http://owi.usgs.gov/R","http://cran.us.r-project.org"))
 ```
 
 This will install the WQ-Review package as well as all other packages that WQ-Review relies on. It may take a minute to download and install the supporting packages during the first installation.