update install instructions

Author: icweaver

docs/src/tutorials/index.md

@@ -9,8 +9,8 @@ For more advanced usage examples, please see the documentation pages of the indi
 
 ## Installing Julia
 
-To install Julia, it's strongly recommended to download the official binary for your operating system.
-Visit the [julialang.org Downloads page](https://julialang.org/downloads), and select the latest stable version for your operating system. Currently, this is 1.7.3. Click the [help] links next to your operating system if you require more detailed instructions.
+Navigate to the [Install Julia](https://julialang.org/install/) section of the official Julia website for instructions on getting started.
+
 
 ## Installing Packages
 
@@ -28,7 +28,6 @@ It's recommended to use Julia projects to store what packages you use and make i
 For more information on how to use the Julia package manager, refer to the [Pkg.jl documentation](https://pkgdocs.julialang.org/v1/repl/).
 
 
-
 ## Tutorial Index
 
 The following tutorials show how to use Julia to perform common tasks in astronomy and astrophysics.