Microsoft Office Toolkit and EZ-Activator rar.
MS OFFICE PROFESSIONAL PLUS FULLY ACTIVATED.Microsoft Toolkit Download For Windows & Office 
This toolkit is free of charge. Nevertheless, it will support you to control, license, and use Microsoft Office and Microsoft Windows 10 as well. Will work for you too. This offline activation is supported only for the 2. Step 3: After that, you can see a message window saying Windows is activated.
Download Office Professional Plus – Key & Activator | PCGUIDE4U – Internet Download Manager
This happens due to corrupted license of your earlier installed version. MS Toolkit is in this same post. Try installation again. Activation toolkit is given within the article. So, in this section. Reset the trial counter.