Download and extract the latest release of FinalHE
Download the latest release of VitaDeploy-FHE and put it in the FinalHE directory
Start FinalHe.exe, tick the "Trim h-encore to ~7MB" and "VitaDeploy" (in the side menu) boxes
On the console open the content manager app and select "Copy content"->"PC"->(your desired method), FinalHE should then detect your Playstation Vita
Click on the "Let's GO!" button in FinalHE and wait until it finishes
In content manager navigate to "PC->PSVITA"->"Applications"->"PS Vita", click on "Select All" and then "Copy"
Open the newly installed "h-encore2" app, if it crashes - try again until it works
Press X to exit, the app will install the homebrew framework and close itself