Please capitalize where necessary: although it is up to the bank to decide whether to let someone open a bank account or not, as a national of an eu country rosa has a right to the same treatment as uk nationals.
A: Although it is up to the bank to decide whether to let someone open a bank account or not, as a national of an EU country Rosa has a right to the same treatment as UK nationals.

Q: how the lines go differs from machine to machine, but the lines should be marked clearly on each game. . name of this page is the same other reel slots.

A: How the lines go differs from machine to machine, but the lines should be marked clearly on each game. . Name of this page is The Same Other Reel Slots.

Q: goal: learn how to enter text in a wordprocessor.
A: Goal: Learn how to enter text in a wordprocessor.

Problem: the child car seat perfectly adjusts to the vehicle seat.
Can you repeat this sentence, but capitalize it?
Answer: The child car seat perfectly adjusts to the vehicle seat.

Text: the revolutionary dcb file analysis tool™️ scans, analyzes, and reports back every detail about your dcb file.

Correct capitalization: The revolutionary DCB File Analysis Tool™️ scans, analyzes, and reports back every detail about your DCB file.

Text: who shall also confirm you to [the] end, unimpeachable in the day of our lord jesus christ.

Correct capitalization:
who shall also confirm you to [the] end, unimpeachable in the day of our Lord Jesus Christ.