diff --git a/README.md b/README.md
index 0d608ff..a835e4d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # go-install
 a curl/bash script to install the latest version of golang
+
+## usage
+
+tbd
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diff --git a/go.env b/go.env
new file mode 100644
index 0000000..585f762
--- /dev/null
+++ b/go.env
@@ -0,0 +1,4 @@
+export GOBIN=$HOME/.local/bin
+export GOPATH=$HOME
+export GOROOT=$HOME/go
+export PATH=$GOROOT/bin:$GOBIN:/usr/local/go/bin:$PATH
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..f903a9e
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Install Go
+wget https://go.dev/dl/go1.25.1.linux-amd64.tar.gz
+tar -xzf go1.25.1.linux-amd64.tar.gz
+sudo rm -rf $HOME/go
+mv go "$HOME"
+rm go1.25.1.linux-amd64.tar.gz
+
+# Remove any existing Go-related exports from /etc/profile
+# A backup will be created at /etc/profile.bak
+sed -i.bak \
+  -e '/export GOBIN/d' \
+  -e '/export GOPATH/d' \
+  -e '/export GOROOT/d' \
+  $HOME/.bashrc
+
+# Append the desired Go environment variables
+cat go.env || sudo tee $HOME/.bashrc
+source go.env
+
+echo "run 'source ~/.bashrc' to activate the Go installation or close this terminal and open a new one"
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