Please capitalize where necessary: you will receive an email with a link to download your files as soon as payment is confirmed this is a digital product.
A: You will receive an email with a link to download your files as soon as payment is confirmed this is a DIGITAL PRODUCT.

Q: knife cup is new developed to ensure long lifetime and easier maintenance.

A: Knife cup is new developed to ensure long lifetime and easier maintenance.

Q: the storeblt link is expected to be repaid in 2030, approximately 32 years after the opening of the road link.
A: The Storeblt link is expected to be repaid in 2030, approximately 32 years after the opening of the road link.

Problem: new multimedia applications include advene, ardour3, dvdwizard, flowblade, groove basin, and mpv, among others.
Can you repeat this sentence, but capitalize it?
Answer: New multimedia applications include Advene, Ardour3, dvdwizard, flowblade, Groove Basin, and mpv, among others.

Text: it also meant, in effect, the end of any genuine two-party system in america for the present; the system of elected representatives which is known as "democracy" sinks to the level of the one-party system in non-democracies if the two parties do not offer a true choice of policy.

Correct capitalization: It also meant, in effect, the end of any genuine two-party system in America for the present; the system of elected representatives which is known as "democracy" sinks to the level of the one-party system in non-democracies if the two parties do not offer a true choice of policy.

Problem: so i'm a functional leader of the visual area in the aforementioned countries.
Can you repeat this sentence, but capitalize it?
Answer:
So I'm a functional leader of the visual area in the aforementioned countries.