Windows 7 rearm is just like using Windows 7 trial for 30 days. This rearm can be done four times maximum. Today we will show how to do that.
Step1: Open the Start Menu.
Step2: In the Start Menu search box, type Regedit and press Enter.
Step3: In the registryEditor, go to:
Hkey Local_machine ==> Software ==> Microsoft==> Windows NT==> Current Version==> Software Protection Platform .
In the right pane, see if SkipRearm is set to 0 (number 0)
Step5: If it is not set to 0 – Right click on SkipRearm and click on Modify. Type 0 and click on OK. (See screenshot below).If it is set to 0 – Skip this and go to step 6.
Step6: Open an elevated command prompt (it will be elevated if you are Admin, or if not just run it as Admin)
Step7: In the elevated command prompt, type slmgr -rearm and press Enter. (See screenshots below)
Step8: If successful you will get the below screenshot. Click on OK.