Merge pull request #7767 from oscr/book-add-all-archs-to-quickstart

📖 book: add download links for all clusterctl architectures to quick start

Author: k8s-ci-robot

docs/book/src/user/quick-start.md

@@ -154,10 +154,23 @@ The clusterctl CLI tool handles the lifecycle of a Cluster API management cluste
 {{#tab Linux}}
 
 #### Install clusterctl binary with curl on Linux
-Download the latest release; on Linux, type:
+If you are unsure you can determine your computers architecture by running `uname -a`
+
+Download for AMD64:
 ```bash
 curl -L {{#releaselink gomodule:"sigs.k8s.io/cluster-api" asset:"clusterctl-linux-amd64" version:"1.3.x"}} -o clusterctl
 ```
+
+Download for ARM64:
+```bash
+curl -L {{#releaselink gomodule:"sigs.k8s.io/cluster-api" asset:"clusterctl-linux-arm64" version:"1.3.x"}} -o clusterctl
+```
+
+Download for PPC64LE:
+```bash
+curl -L {{#releaselink gomodule:"sigs.k8s.io/cluster-api" asset:"clusterctl-linux-ppc64le" version:"1.3.x"}} -o clusterctl
+```
+
 Install clusterctl:
 ```bash
 sudo install -o root -g root -m 0755 clusterctl /usr/local/bin/clusterctl
@@ -171,12 +184,14 @@ clusterctl version
 {{#tab macOS}}
 
 #### Install clusterctl binary with curl on macOS
-Download the latest release; on macOS, type:
+If you are unsure you can determine your computers architecture by running `uname -a`
+
+Download for AMD64:
 ```bash
 curl -L {{#releaselink gomodule:"sigs.k8s.io/cluster-api" asset:"clusterctl-darwin-amd64" version:"1.3.x"}} -o clusterctl
 ```
 
-Or if your Mac has an M1 CPU ("Apple Silicon"):
+Download for M1 CPU ("Apple Silicon") / ARM64:
 ```bash
 curl -L {{#releaselink gomodule:"sigs.k8s.io/cluster-api" asset:"clusterctl-darwin-arm64" version:"1.3.x"}} -o clusterctl
 ```