Do I have to use a MacBook

No. You can use a Mac or a PC. If you read the information in the related article above, it mentions using a PC and to make sure it has the latest version of iTunes installed.

If the Restore screen appears on your iPhone, iPad, or iPod touch - Apple Support

Try following the instructions in this Apple Support document to find out if you can restore the phone without using a computer:

How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support

If no luck, you will need to use any Mac or a PC to restore the phone.

If the Restore screen appears on your iPhone, iPad, or iPod touch - Apple Support

If you don't have a computer, maybe you could borrow one from a friend for 30 minutes over coffee.