Add punctuation: I will check your receipt number against my database and email you the download link Please give me a day or two to email you back as I will be a bit busy with all of this
A: I will check your receipt number against my database and email you the download link. Please give me a day or two to email you back as I will be a bit busy with all of this. :)

Add punctuation: In 20 minutes we set up Google Apps gave everyone their usernames and passwords and our 30 managers across all store locations were instantly connected
A: "In 20 minutes we set up Google Apps, gave everyone their usernames and passwords, and our 30 managers across all store locations were instantly connected."

Add punctuation: If you know the name of wrong DLL like Angel2sys choose Free downloadsaving money
A:
If you know the name of wrong DLL like Angel2.sys, choose Free download--saving money.