You can create an Instagram page and connect it to your Facebook page so that posts automatically get shared. Follow these steps:

Step 1: Create an Instagram Business Account

1. Download and Install Instagram
   • If you haven’t already, download the Instagram app from the Play Store (Android) or App Store (iOS).
2. Sign Up for an Instagram Account
   • Open Instagram and Sign Up using your email, phone number, or Facebook account.
   • Choose a username that represents your brand (similar to your Facebook page name).
3. Switch to a Business Account
   • Go to Settings → Account → Switch to Professional Account.
   • Select Business and follow the instructions.

Step 2: Connect Instagram to Your Facebook Page

1. Open Facebook and go to your Facebook Page.
2. Click on Settings (on desktop) or Professional Dashboard (on mobile).
3. Find Linked Accounts or Instagram and click Connect Account.
4. Log in to Instagram with your credentials.
5. Allow permissions to link both accounts.

Step 3: Enable Auto-Posting from Facebook to Instagram

1. Go to your Facebook Page → Meta Business Suite.
2. Click on Create Post.
3. Under Post to, select both Facebook Page and Instagram.
4. Write your post and publish it.

Now, whenever you create a post on Facebook, you can choose to share it on Instagram too.