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+# Subscription
+
+Slash is open source links shortener and sharing platform. Our source code is available and accessible on GitHub so anyone can get it, inspect it and review it.
+
+## Plans
+
+### Free
+
+The Free plan is designed for personal use not for commercial use. It allows you to create unlimited shortcuts and invite up to 5 members.
+
+### Pro
+
+The Pro plan is designed for teams and businesses. It allows you to create unlimited shortcuts and invite unlimited members. It also includes priority support. The Pro plan is $4 per month.
+
+### Enterprise or Custom
+
+The Enterprise plan is designed for organizations that need more than the Pro plan. It allows you to use Single Sign-On(SSO) and other advanced features. The Enterprise plan is $18 per month. If you need a custom plan, please contact us at `yourselfhosted@gmail.com`.
+
+## Using a License Key
+
+After purchasing a Pro or Enterprise plan, you will receive a license key. You can use the license key to activate your plan. Here is how to do it:
+
+1. Log in to your Slash instance as an Admin user.
+2. Go to Settings > Subscription. `https://your-slash-instance.com/setting/subscription`
+3. You will see a form to enter your license key. Enter your license key and click the **Upload license** button.
+4. If the license key is valid, your plan will be activated.
+
+## FAQ
+
+### Can I use the Free plan in my team?
+
+Of course you can. In the free plan, you can invite up to 5 members to your team. If you need more, you should upgrade to the Pro plan.
+
+### How many devices can the license key be used on?
+
+It's unlimited for now, but please do not abuse it.
+
+### Can I get a refund if Slash doesn't meet my needs?
+
+Yes, absolutely! You can contact us with `yourselfhosted@gmail.com`. I will refund you as soon as possible.
+
+### Is there a Lifetime license?
+
+As software requires someone to maintain it, so we won't sell a lifetime service, since humans are not immortal yet. But if you really want it, please contact us `yourselfhosted@gmail.com`.