Question: Saturday 17 February 2018 61944912 requests since Tuesday 16 December 2003
Please fix the punctuation.
Fixed: [Saturday 17 February, 2018 61944912 requests since Tuesday 16 December, 2003]

Question: When an entry is valid your computer will use the address mapping in the Hosts file and not look it up in DNS
Please fix the punctuation.
Fixed: [When an entry is valid, your computer will use the address mapping in the Hosts file and not look it up in DNS.]

Question: See To drag and drop content between phone and computer using USB cable for more information
Please fix the punctuation.
Fixed: [See To drag and drop content between phone and computer using USB cable for more information.]

Question: Apartheid lasted for 46 years under the rule of seven different white presidents
Please fix the punctuation.
Fixed:
[Apartheid lasted for 46 years, under the rule of seven different white presidents.]