Updates to your subscription are done on your account at
  Techloq.com. 
Log
  into your account to upgrade features such as:
- Increasing the number of devices under a subscription
 - changing your contract length
 - adding additional users
 - adding schedules
 - including the 'advanced locking control' feature
 
  Please note: The number of devices can be updated under any plan; all
  other updates are relevant only to the filtering plan. 
  On the ‘subscriptions plans’ tab in your account, highlight the
  relevant subscription for example ‘Windows Filtering Plan’, and
  then use the button on the right, ‘View subscription details.
  On the subscription details page, locate and click the button ‘Update
  Subscription.
Update options:
Change contract length:
  Click the drop-down list and select the contract length you would like to
  change to.
  
  Click
  here
  to find out how your billing will be affected by making this change.
Add device/s:
  This is where you would increase the number of subscriptions you have under
  this plan. I.e., if you would like to put the filter on a new device.
  Simply use the upwards pointing arrow to increase the number to include the
  total amount of subscriptions you would like to have in your account. (Hover
  over the field to get the ‘arrows’.)
  Please note:
  you will not be able to decrease the number of subscriptions over here. If you
  would like to decrease the number of subscriptions in your account, please see
  here
  for the cancelation process.
Optional Extras:
  Here’s where you can add users, schedules, or the advanced locking
  control feature to your account.
  Simply use the upwards pointing arrow to increase the number to include the
  total amount of users/schedules you would like to have in your account. (Hover
  over the field to get the ‘arrows’.)
  Click the ‘include’ button to add the advanced locking feature to
  your account. 
  Click
  here
  to find out more about these features and how they can benefit you.
Completing the update:
  Proceed to the Summary page and select ‘update subscription’.
  On the page detailing your payment. ‘Check’ the field to authorize
  the payment and then ‘update subscription’ to complete the update.
  
  If the update you have made is a new addition to your account which requires
  configuration, you will receive an email upon completing the purchase to
  assist you further.