Update newbs MSYS2 pacman instructions (#9445)

docs/newbs_getting_started.md

@@ -41,16 +41,11 @@ We've tried to make QMK as easy to set up as possible. You only have to prepare
 
 You will need to install MSYS2, Git, and the QMK CLI.
 
-* Follow the installation instructions on the [MSYS2 homepage](http://www.msys2.org).
-* Close any open MSYS2 terminals and open a new MSYS2 MinGW 64-bit terminal. NOTE: This is **not** the same as the MSYS terminal that opens when installation is completed.
+Follow the installation instructions on the [MSYS2 homepage](http://www.msys2.org). Close any open MSYS terminals and open a new MinGW 64-bit terminal. **NOTE: This is *not* the same as the MSYS terminal that opens when installation is completed.**
 
-After opening a new MSYS2 MinGW 64-bit terminal, make sure `pacman` is up to date with:
+Then, run the following:
 
-    pacman -Syu
-
-You may be asked to close and reopen the window. Do this and keep running the above command until it says `there is nothing to do`. Then run the following:
-
-    pacman -S git mingw-w64-x86_64-toolchain mingw-w64-x86_64-python3-pip
+    pacman --needed --noconfirm --disable-download-timeout -S git mingw-w64-x86_64-toolchain mingw-w64-x86_64-python3-pip
     python3 -m pip install qmk
 
 ### macOS