Install Huawei HiSuite to get communication with the phone and all necessary drivers.
Install ADB mini with Fastboot tools to get all needed tools and rest of ADB drivers that are required.
Windows 10 users should additionally go into c:\Windows\inf and search for the file "wpdmtp.inf". Press the right button on it and select INSTALL
Read All Necessary Information from HUAWEI phone
To unlock bootloader we need to get some information about your HUAWEI P10 Lite like:
Phone Model Name
Product IMEI or MEID
Product Serial Number
Product ID(unique for our phone name)
Phone Model Name and IMEI/MEID you will find in Phone Menu >>> Settings >>> About Phone
Product Model Name
Product IMEI or MEID(Primary IMEI if the phone is dual sim)
Product ID(unique for every phone name)and Serial Number you can get it from the phone service menu.
To do that enter on a phone keyboard *#*#1357946#*#*
That will open a service menu with all information.