A The extract “it will be available” is in the simple future tense.
B In the sentence “that works best for you”, the verb agrees with the third person singular and it is in the simple present tense.
C The sentence “To check whether you’re already running...” presents the past progressive structure.
D The sentence “After that, your device will be running” presents an example of the future progressive.
E “If updates are available, install them” is in the imperative.