remove more tfinstall references

README.md

diff --git a/README.md b/README.md
index 69a0bb9..96582c3 100644
--- a/README.md
+++ b/README.md
@@ -31,20 +31,21 @@
 	"log"
 
 	"github.com/hashicorp/terraform-exec/tfexec"
-	"github.com/hashicorp/terraform-exec/tfinstall"
+	"github.com/hashicorp/hc-install/releases"
+	"github.com/hashicorp/hc-install/product"
+	"github.com/hashicorp/go-version"
 )
 
 func main() {
-	tmpDir, err := ioutil.TempDir("", "tfinstall")
-	if err != nil {
-		log.Fatalf("error creating temp dir: %s", err)
+    installer := &releases.ExactVersion{
+		Product: product.Terraform,
+		Version: version.Must(version.NewVersion("1.0.6")),
 	}
-	defer os.RemoveAll(tmpDir)
 
-	execPath, err := tfinstall.Find(context.Background(), tfinstall.LatestVersion(tmpDir, false))
-	if err != nil {
-		log.Fatalf("error locating Terraform binary: %s", err)
-	}
+    execPath, err := installer.Install(context.Background())
+    if err != nil {
+    	log.Fatalf("error installing Terraform: %s", err)
+    }
 
 	workingDir := "/path/to/working/dir"
 	tf, err := tfexec.NewTerraform(workingDir, execPath)

tfexec/internal/e2etest/doc.go

diff --git a/tfexec/internal/e2etest/doc.go b/tfexec/internal/e2etest/doc.go
index 1a760ee..1d8811b 100644
--- a/tfexec/internal/e2etest/doc.go
+++ b/tfexec/internal/e2etest/doc.go
@@ -1,6 +1,6 @@
 // Package e2etest contains end-to-end acceptance tests for the tfexec
 // package. It aims to cover as many realistic use cases for tfexec as possible;
-// to serve as a smoke test for the incidental usage of tfinstall with tfexec;
+// to serve as a smoke test for the incidental usage of hc-install with tfexec;
 // and, eventually, to define the known and expected behaviour of the entire
 // Terraform CLI.
 // Test files inside the tfexec package are intended as unit tests covering the