To change the App Store region, follow these general steps: On iPhone or iPad:

• Open the Settings app.
• Tap your name to access your Apple Account.
• Select Media & Purchases.
• Tap View Account and sign in if prompted.
• Tap Country/Region.
• Tap Change Country or Region.
• Choose the new country or region.
• Agree to the Terms and Conditions.
• Enter a valid payment method and billing address for the new country.
• Tap Next to confirm.

On Mac:

• Open the Apple Music or App Store app.
• Go to Account > Account Settings and sign in.
• In Account Information, click Change Country or Region.
• Select the new country or region.
• Agree to the terms.
• Enter the new billing address and payment information.
• Click Continue.

Online:

• Visit appleid.apple.com and sign in.
• Go to Personal Information > Country/Region.
• Select your new country or region.
• Agree to terms.
• Enter valid payment and billing info.
• Save changes.

Note: A valid payment method for the selected country/region is required. If not available, creating a new Apple ID for the region may be necessary. This process allows the App Store content, apps, pricing, and services to update according to the new region.